Merge branch 'origin'
[linux-2.6] / drivers / acpi / utilities / utalloc.c
1 /******************************************************************************
2  *
3  * Module Name: utalloc - local memory allocation routines
4  *
5  *****************************************************************************/
6
7 /*
8  * Copyright (C) 2000 - 2006, R. Byron Moore
9  * All rights reserved.
10  *
11  * Redistribution and use in source and binary forms, with or without
12  * modification, are permitted provided that the following conditions
13  * are met:
14  * 1. Redistributions of source code must retain the above copyright
15  *    notice, this list of conditions, and the following disclaimer,
16  *    without modification.
17  * 2. Redistributions in binary form must reproduce at minimum a disclaimer
18  *    substantially similar to the "NO WARRANTY" disclaimer below
19  *    ("Disclaimer") and any redistribution must be conditioned upon
20  *    including a substantially similar Disclaimer requirement for further
21  *    binary redistribution.
22  * 3. Neither the names of the above-listed copyright holders nor the names
23  *    of any contributors may be used to endorse or promote products derived
24  *    from this software without specific prior written permission.
25  *
26  * Alternatively, this software may be distributed under the terms of the
27  * GNU General Public License ("GPL") version 2 as published by the Free
28  * Software Foundation.
29  *
30  * NO WARRANTY
31  * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
32  * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
33  * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTIBILITY AND FITNESS FOR
34  * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
35  * HOLDERS OR CONTRIBUTORS BE LIABLE FOR SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
36  * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
37  * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
38  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT,
39  * STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING
40  * IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
41  * POSSIBILITY OF SUCH DAMAGES.
42  */
43
44 #include <acpi/acpi.h>
45
46 #define _COMPONENT          ACPI_UTILITIES
47 ACPI_MODULE_NAME("utalloc")
48
49 /* Local prototypes */
50 #ifdef ACPI_DBG_TRACK_ALLOCATIONS
51 static struct acpi_debug_mem_block *acpi_ut_find_allocation(void *allocation);
52
53 static acpi_status
54 acpi_ut_track_allocation(struct acpi_debug_mem_block *address,
55                          acpi_size size,
56                          u8 alloc_type, u32 component, char *module, u32 line);
57
58 static acpi_status
59 acpi_ut_remove_allocation(struct acpi_debug_mem_block *address,
60                           u32 component, char *module, u32 line);
61
62 static acpi_status
63 acpi_ut_create_list(char *list_name,
64                     u16 object_size, struct acpi_memory_list **return_cache);
65 #endif
66
67 /*******************************************************************************
68  *
69  * FUNCTION:    acpi_ut_create_caches
70  *
71  * PARAMETERS:  None
72  *
73  * RETURN:      Status
74  *
75  * DESCRIPTION: Create all local caches
76  *
77  ******************************************************************************/
78
79 acpi_status acpi_ut_create_caches(void)
80 {
81         acpi_status status;
82
83 #ifdef ACPI_DBG_TRACK_ALLOCATIONS
84
85         /* Memory allocation lists */
86
87         status = acpi_ut_create_list("Acpi-Global", 0, &acpi_gbl_global_list);
88         if (ACPI_FAILURE(status)) {
89                 return (status);
90         }
91
92         status =
93             acpi_ut_create_list("Acpi-Namespace",
94                                 sizeof(struct acpi_namespace_node),
95                                 &acpi_gbl_ns_node_list);
96         if (ACPI_FAILURE(status)) {
97                 return (status);
98         }
99 #endif
100
101         /* Object Caches, for frequently used objects */
102
103         status =
104             acpi_os_create_cache("acpi_state", sizeof(union acpi_generic_state),
105                                  ACPI_MAX_STATE_CACHE_DEPTH,
106                                  &acpi_gbl_state_cache);
107         if (ACPI_FAILURE(status)) {
108                 return (status);
109         }
110
111         status =
112             acpi_os_create_cache("acpi_parse",
113                                  sizeof(struct acpi_parse_obj_common),
114                                  ACPI_MAX_PARSE_CACHE_DEPTH,
115                                  &acpi_gbl_ps_node_cache);
116         if (ACPI_FAILURE(status)) {
117                 return (status);
118         }
119
120         status =
121             acpi_os_create_cache("acpi_parse_ext",
122                                  sizeof(struct acpi_parse_obj_named),
123                                  ACPI_MAX_EXTPARSE_CACHE_DEPTH,
124                                  &acpi_gbl_ps_node_ext_cache);
125         if (ACPI_FAILURE(status)) {
126                 return (status);
127         }
128
129         status =
130             acpi_os_create_cache("acpi_operand",
131                                  sizeof(union acpi_operand_object),
132                                  ACPI_MAX_OBJECT_CACHE_DEPTH,
133                                  &acpi_gbl_operand_cache);
134         if (ACPI_FAILURE(status)) {
135                 return (status);
136         }
137
138         return (AE_OK);
139 }
140
141 /*******************************************************************************
142  *
143  * FUNCTION:    acpi_ut_delete_caches
144  *
145  * PARAMETERS:  None
146  *
147  * RETURN:      Status
148  *
149  * DESCRIPTION: Purge and delete all local caches
150  *
151  ******************************************************************************/
152
153 acpi_status acpi_ut_delete_caches(void)
154 {
155
156         (void)acpi_os_delete_cache(acpi_gbl_state_cache);
157         acpi_gbl_state_cache = NULL;
158
159         (void)acpi_os_delete_cache(acpi_gbl_operand_cache);
160         acpi_gbl_operand_cache = NULL;
161
162         (void)acpi_os_delete_cache(acpi_gbl_ps_node_cache);
163         acpi_gbl_ps_node_cache = NULL;
164
165         (void)acpi_os_delete_cache(acpi_gbl_ps_node_ext_cache);
166         acpi_gbl_ps_node_ext_cache = NULL;
167
168         return (AE_OK);
169 }
170
171 /*******************************************************************************
172  *
173  * FUNCTION:    acpi_ut_validate_buffer
174  *
175  * PARAMETERS:  Buffer              - Buffer descriptor to be validated
176  *
177  * RETURN:      Status
178  *
179  * DESCRIPTION: Perform parameter validation checks on an struct acpi_buffer
180  *
181  ******************************************************************************/
182
183 acpi_status acpi_ut_validate_buffer(struct acpi_buffer * buffer)
184 {
185
186         /* Obviously, the structure pointer must be valid */
187
188         if (!buffer) {
189                 return (AE_BAD_PARAMETER);
190         }
191
192         /* Special semantics for the length */
193
194         if ((buffer->length == ACPI_NO_BUFFER) ||
195             (buffer->length == ACPI_ALLOCATE_BUFFER) ||
196             (buffer->length == ACPI_ALLOCATE_LOCAL_BUFFER)) {
197                 return (AE_OK);
198         }
199
200         /* Length is valid, the buffer pointer must be also */
201
202         if (!buffer->pointer) {
203                 return (AE_BAD_PARAMETER);
204         }
205
206         return (AE_OK);
207 }
208
209 /*******************************************************************************
210  *
211  * FUNCTION:    acpi_ut_initialize_buffer
212  *
213  * PARAMETERS:  Buffer              - Buffer to be validated
214  *              required_length     - Length needed
215  *
216  * RETURN:      Status
217  *
218  * DESCRIPTION: Validate that the buffer is of the required length or
219  *              allocate a new buffer.  Returned buffer is always zeroed.
220  *
221  ******************************************************************************/
222
223 acpi_status
224 acpi_ut_initialize_buffer(struct acpi_buffer * buffer,
225                           acpi_size required_length)
226 {
227         acpi_status status = AE_OK;
228
229         switch (buffer->length) {
230         case ACPI_NO_BUFFER:
231
232                 /* Set the exception and returned the required length */
233
234                 status = AE_BUFFER_OVERFLOW;
235                 break;
236
237         case ACPI_ALLOCATE_BUFFER:
238
239                 /* Allocate a new buffer */
240
241                 buffer->pointer = acpi_os_allocate(required_length);
242                 if (!buffer->pointer) {
243                         return (AE_NO_MEMORY);
244                 }
245
246                 /* Clear the buffer */
247
248                 ACPI_MEMSET(buffer->pointer, 0, required_length);
249                 break;
250
251         case ACPI_ALLOCATE_LOCAL_BUFFER:
252
253                 /* Allocate a new buffer with local interface to allow tracking */
254
255                 buffer->pointer = ACPI_MEM_CALLOCATE(required_length);
256                 if (!buffer->pointer) {
257                         return (AE_NO_MEMORY);
258                 }
259                 break;
260
261         default:
262
263                 /* Existing buffer: Validate the size of the buffer */
264
265                 if (buffer->length < required_length) {
266                         status = AE_BUFFER_OVERFLOW;
267                         break;
268                 }
269
270                 /* Clear the buffer */
271
272                 ACPI_MEMSET(buffer->pointer, 0, required_length);
273                 break;
274         }
275
276         buffer->length = required_length;
277         return (status);
278 }
279
280 /*******************************************************************************
281  *
282  * FUNCTION:    acpi_ut_allocate
283  *
284  * PARAMETERS:  Size                - Size of the allocation
285  *              Component           - Component type of caller
286  *              Module              - Source file name of caller
287  *              Line                - Line number of caller
288  *
289  * RETURN:      Address of the allocated memory on success, NULL on failure.
290  *
291  * DESCRIPTION: The subsystem's equivalent of malloc.
292  *
293  ******************************************************************************/
294
295 void *acpi_ut_allocate(acpi_size size, u32 component, char *module, u32 line)
296 {
297         void *allocation;
298
299         ACPI_FUNCTION_TRACE_U32("ut_allocate", size);
300
301         /* Check for an inadvertent size of zero bytes */
302
303         if (!size) {
304                 ACPI_ERROR((module, line,
305                             "ut_allocate: Attempt to allocate zero bytes, allocating 1 byte"));
306                 size = 1;
307         }
308
309         allocation = acpi_os_allocate(size);
310         if (!allocation) {
311                 /* Report allocation error */
312
313                 ACPI_ERROR((module, line,
314                             "ut_allocate: Could not allocate size %X",
315                             (u32) size));
316
317                 return_PTR(NULL);
318         }
319
320         return_PTR(allocation);
321 }
322
323 /*******************************************************************************
324  *
325  * FUNCTION:    acpi_ut_callocate
326  *
327  * PARAMETERS:  Size                - Size of the allocation
328  *              Component           - Component type of caller
329  *              Module              - Source file name of caller
330  *              Line                - Line number of caller
331  *
332  * RETURN:      Address of the allocated memory on success, NULL on failure.
333  *
334  * DESCRIPTION: Subsystem equivalent of calloc.
335  *
336  ******************************************************************************/
337
338 void *acpi_ut_callocate(acpi_size size, u32 component, char *module, u32 line)
339 {
340         void *allocation;
341
342         ACPI_FUNCTION_TRACE_U32("ut_callocate", size);
343
344         /* Check for an inadvertent size of zero bytes */
345
346         if (!size) {
347                 ACPI_ERROR((module, line,
348                             "Attempt to allocate zero bytes, allocating 1 byte"));
349                 size = 1;
350         }
351
352         allocation = acpi_os_allocate(size);
353         if (!allocation) {
354                 /* Report allocation error */
355
356                 ACPI_ERROR((module, line,
357                             "Could not allocate size %X", (u32) size));
358                 return_PTR(NULL);
359         }
360
361         /* Clear the memory block */
362
363         ACPI_MEMSET(allocation, 0, size);
364         return_PTR(allocation);
365 }
366
367 #ifdef ACPI_DBG_TRACK_ALLOCATIONS
368 /*
369  * These procedures are used for tracking memory leaks in the subsystem, and
370  * they get compiled out when the ACPI_DBG_TRACK_ALLOCATIONS is not set.
371  *
372  * Each memory allocation is tracked via a doubly linked list.  Each
373  * element contains the caller's component, module name, function name, and
374  * line number.  acpi_ut_allocate and acpi_ut_callocate call
375  * acpi_ut_track_allocation to add an element to the list; deletion
376  * occurs in the body of acpi_ut_free.
377  */
378
379 /*******************************************************************************
380  *
381  * FUNCTION:    acpi_ut_create_list
382  *
383  * PARAMETERS:  cache_name      - Ascii name for the cache
384  *              object_size     - Size of each cached object
385  *              return_cache    - Where the new cache object is returned
386  *
387  * RETURN:      Status
388  *
389  * DESCRIPTION: Create a local memory list for tracking purposed
390  *
391  ******************************************************************************/
392
393 static acpi_status
394 acpi_ut_create_list(char *list_name,
395                     u16 object_size, struct acpi_memory_list **return_cache)
396 {
397         struct acpi_memory_list *cache;
398
399         cache = acpi_os_allocate(sizeof(struct acpi_memory_list));
400         if (!cache) {
401                 return (AE_NO_MEMORY);
402         }
403
404         ACPI_MEMSET(cache, 0, sizeof(struct acpi_memory_list));
405
406         cache->list_name = list_name;
407         cache->object_size = object_size;
408
409         *return_cache = cache;
410         return (AE_OK);
411 }
412
413 /*******************************************************************************
414  *
415  * FUNCTION:    acpi_ut_allocate_and_track
416  *
417  * PARAMETERS:  Size                - Size of the allocation
418  *              Component           - Component type of caller
419  *              Module              - Source file name of caller
420  *              Line                - Line number of caller
421  *
422  * RETURN:      Address of the allocated memory on success, NULL on failure.
423  *
424  * DESCRIPTION: The subsystem's equivalent of malloc.
425  *
426  ******************************************************************************/
427
428 void *acpi_ut_allocate_and_track(acpi_size size,
429                                  u32 component, char *module, u32 line)
430 {
431         struct acpi_debug_mem_block *allocation;
432         acpi_status status;
433
434         allocation =
435             acpi_ut_allocate(size + sizeof(struct acpi_debug_mem_header),
436                              component, module, line);
437         if (!allocation) {
438                 return (NULL);
439         }
440
441         status = acpi_ut_track_allocation(allocation, size,
442                                           ACPI_MEM_MALLOC, component, module,
443                                           line);
444         if (ACPI_FAILURE(status)) {
445                 acpi_os_free(allocation);
446                 return (NULL);
447         }
448
449         acpi_gbl_global_list->total_allocated++;
450         acpi_gbl_global_list->current_total_size += (u32) size;
451
452         return ((void *)&allocation->user_space);
453 }
454
455 /*******************************************************************************
456  *
457  * FUNCTION:    acpi_ut_callocate_and_track
458  *
459  * PARAMETERS:  Size                - Size of the allocation
460  *              Component           - Component type of caller
461  *              Module              - Source file name of caller
462  *              Line                - Line number of caller
463  *
464  * RETURN:      Address of the allocated memory on success, NULL on failure.
465  *
466  * DESCRIPTION: Subsystem equivalent of calloc.
467  *
468  ******************************************************************************/
469
470 void *acpi_ut_callocate_and_track(acpi_size size,
471                                   u32 component, char *module, u32 line)
472 {
473         struct acpi_debug_mem_block *allocation;
474         acpi_status status;
475
476         allocation =
477             acpi_ut_callocate(size + sizeof(struct acpi_debug_mem_header),
478                               component, module, line);
479         if (!allocation) {
480                 /* Report allocation error */
481
482                 ACPI_ERROR((module, line,
483                             "Could not allocate size %X", (u32) size));
484                 return (NULL);
485         }
486
487         status = acpi_ut_track_allocation(allocation, size,
488                                           ACPI_MEM_CALLOC, component, module,
489                                           line);
490         if (ACPI_FAILURE(status)) {
491                 acpi_os_free(allocation);
492                 return (NULL);
493         }
494
495         acpi_gbl_global_list->total_allocated++;
496         acpi_gbl_global_list->current_total_size += (u32) size;
497
498         return ((void *)&allocation->user_space);
499 }
500
501 /*******************************************************************************
502  *
503  * FUNCTION:    acpi_ut_free_and_track
504  *
505  * PARAMETERS:  Allocation          - Address of the memory to deallocate
506  *              Component           - Component type of caller
507  *              Module              - Source file name of caller
508  *              Line                - Line number of caller
509  *
510  * RETURN:      None
511  *
512  * DESCRIPTION: Frees the memory at Allocation
513  *
514  ******************************************************************************/
515
516 void
517 acpi_ut_free_and_track(void *allocation, u32 component, char *module, u32 line)
518 {
519         struct acpi_debug_mem_block *debug_block;
520         acpi_status status;
521
522         ACPI_FUNCTION_TRACE_PTR("ut_free", allocation);
523
524         if (NULL == allocation) {
525                 ACPI_ERROR((module, line, "Attempt to delete a NULL address"));
526
527                 return_VOID;
528         }
529
530         debug_block = ACPI_CAST_PTR(struct acpi_debug_mem_block,
531                                     (((char *)allocation) -
532                                      sizeof(struct acpi_debug_mem_header)));
533
534         acpi_gbl_global_list->total_freed++;
535         acpi_gbl_global_list->current_total_size -= debug_block->size;
536
537         status = acpi_ut_remove_allocation(debug_block,
538                                            component, module, line);
539         if (ACPI_FAILURE(status)) {
540                 ACPI_EXCEPTION((AE_INFO, status, "Could not free memory"));
541         }
542
543         acpi_os_free(debug_block);
544         ACPI_DEBUG_PRINT((ACPI_DB_ALLOCATIONS, "%p freed\n", allocation));
545         return_VOID;
546 }
547
548 /*******************************************************************************
549  *
550  * FUNCTION:    acpi_ut_find_allocation
551  *
552  * PARAMETERS:  Allocation              - Address of allocated memory
553  *
554  * RETURN:      A list element if found; NULL otherwise.
555  *
556  * DESCRIPTION: Searches for an element in the global allocation tracking list.
557  *
558  ******************************************************************************/
559
560 static struct acpi_debug_mem_block *acpi_ut_find_allocation(void *allocation)
561 {
562         struct acpi_debug_mem_block *element;
563
564         ACPI_FUNCTION_ENTRY();
565
566         element = acpi_gbl_global_list->list_head;
567
568         /* Search for the address. */
569
570         while (element) {
571                 if (element == allocation) {
572                         return (element);
573                 }
574
575                 element = element->next;
576         }
577
578         return (NULL);
579 }
580
581 /*******************************************************************************
582  *
583  * FUNCTION:    acpi_ut_track_allocation
584  *
585  * PARAMETERS:  Allocation          - Address of allocated memory
586  *              Size                - Size of the allocation
587  *              alloc_type          - MEM_MALLOC or MEM_CALLOC
588  *              Component           - Component type of caller
589  *              Module              - Source file name of caller
590  *              Line                - Line number of caller
591  *
592  * RETURN:      None.
593  *
594  * DESCRIPTION: Inserts an element into the global allocation tracking list.
595  *
596  ******************************************************************************/
597
598 static acpi_status
599 acpi_ut_track_allocation(struct acpi_debug_mem_block *allocation,
600                          acpi_size size,
601                          u8 alloc_type, u32 component, char *module, u32 line)
602 {
603         struct acpi_memory_list *mem_list;
604         struct acpi_debug_mem_block *element;
605         acpi_status status = AE_OK;
606
607         ACPI_FUNCTION_TRACE_PTR("ut_track_allocation", allocation);
608
609         mem_list = acpi_gbl_global_list;
610         status = acpi_ut_acquire_mutex(ACPI_MTX_MEMORY);
611         if (ACPI_FAILURE(status)) {
612                 return_ACPI_STATUS(status);
613         }
614
615         /*
616          * Search list for this address to make sure it is not already on the list.
617          * This will catch several kinds of problems.
618          */
619         element = acpi_ut_find_allocation(allocation);
620         if (element) {
621                 ACPI_ERROR((AE_INFO,
622                             "ut_track_allocation: Allocation already present in list! (%p)",
623                             allocation));
624
625                 ACPI_ERROR((AE_INFO, "Element %p Address %p",
626                             element, allocation));
627
628                 goto unlock_and_exit;
629         }
630
631         /* Fill in the instance data. */
632
633         allocation->size = (u32) size;
634         allocation->alloc_type = alloc_type;
635         allocation->component = component;
636         allocation->line = line;
637
638         ACPI_STRNCPY(allocation->module, module, ACPI_MAX_MODULE_NAME);
639         allocation->module[ACPI_MAX_MODULE_NAME - 1] = 0;
640
641         /* Insert at list head */
642
643         if (mem_list->list_head) {
644                 ((struct acpi_debug_mem_block *)(mem_list->list_head))->
645                     previous = allocation;
646         }
647
648         allocation->next = mem_list->list_head;
649         allocation->previous = NULL;
650
651         mem_list->list_head = allocation;
652
653       unlock_and_exit:
654         status = acpi_ut_release_mutex(ACPI_MTX_MEMORY);
655         return_ACPI_STATUS(status);
656 }
657
658 /*******************************************************************************
659  *
660  * FUNCTION:    acpi_ut_remove_allocation
661  *
662  * PARAMETERS:  Allocation          - Address of allocated memory
663  *              Component           - Component type of caller
664  *              Module              - Source file name of caller
665  *              Line                - Line number of caller
666  *
667  * RETURN:
668  *
669  * DESCRIPTION: Deletes an element from the global allocation tracking list.
670  *
671  ******************************************************************************/
672
673 static acpi_status
674 acpi_ut_remove_allocation(struct acpi_debug_mem_block *allocation,
675                           u32 component, char *module, u32 line)
676 {
677         struct acpi_memory_list *mem_list;
678         acpi_status status;
679
680         ACPI_FUNCTION_TRACE("ut_remove_allocation");
681
682         mem_list = acpi_gbl_global_list;
683         if (NULL == mem_list->list_head) {
684                 /* No allocations! */
685
686                 ACPI_ERROR((module, line,
687                             "Empty allocation list, nothing to free!"));
688
689                 return_ACPI_STATUS(AE_OK);
690         }
691
692         status = acpi_ut_acquire_mutex(ACPI_MTX_MEMORY);
693         if (ACPI_FAILURE(status)) {
694                 return_ACPI_STATUS(status);
695         }
696
697         /* Unlink */
698
699         if (allocation->previous) {
700                 (allocation->previous)->next = allocation->next;
701         } else {
702                 mem_list->list_head = allocation->next;
703         }
704
705         if (allocation->next) {
706                 (allocation->next)->previous = allocation->previous;
707         }
708
709         /* Mark the segment as deleted */
710
711         ACPI_MEMSET(&allocation->user_space, 0xEA, allocation->size);
712
713         ACPI_DEBUG_PRINT((ACPI_DB_ALLOCATIONS, "Freeing size 0%X\n",
714                           allocation->size));
715
716         status = acpi_ut_release_mutex(ACPI_MTX_MEMORY);
717         return_ACPI_STATUS(status);
718 }
719
720 /*******************************************************************************
721  *
722  * FUNCTION:    acpi_ut_dump_allocation_info
723  *
724  * PARAMETERS:
725  *
726  * RETURN:      None
727  *
728  * DESCRIPTION: Print some info about the outstanding allocations.
729  *
730  ******************************************************************************/
731
732 #ifdef ACPI_FUTURE_USAGE
733 void acpi_ut_dump_allocation_info(void)
734 {
735 /*
736         struct acpi_memory_list         *mem_list;
737 */
738
739         ACPI_FUNCTION_TRACE("ut_dump_allocation_info");
740
741 /*
742         ACPI_DEBUG_PRINT (TRACE_ALLOCATIONS | TRACE_TABLES,
743                           ("%30s: %4d (%3d Kb)\n", "Current allocations",
744                           mem_list->current_count,
745                           ROUND_UP_TO_1K (mem_list->current_size)));
746
747         ACPI_DEBUG_PRINT (TRACE_ALLOCATIONS | TRACE_TABLES,
748                           ("%30s: %4d (%3d Kb)\n", "Max concurrent allocations",
749                           mem_list->max_concurrent_count,
750                           ROUND_UP_TO_1K (mem_list->max_concurrent_size)));
751
752         ACPI_DEBUG_PRINT (TRACE_ALLOCATIONS | TRACE_TABLES,
753                           ("%30s: %4d (%3d Kb)\n", "Total (all) internal objects",
754                           running_object_count,
755                           ROUND_UP_TO_1K (running_object_size)));
756
757         ACPI_DEBUG_PRINT (TRACE_ALLOCATIONS | TRACE_TABLES,
758                           ("%30s: %4d (%3d Kb)\n", "Total (all) allocations",
759                           running_alloc_count,
760                           ROUND_UP_TO_1K (running_alloc_size)));
761
762         ACPI_DEBUG_PRINT (TRACE_ALLOCATIONS | TRACE_TABLES,
763                           ("%30s: %4d (%3d Kb)\n", "Current Nodes",
764                           acpi_gbl_current_node_count,
765                           ROUND_UP_TO_1K (acpi_gbl_current_node_size)));
766
767         ACPI_DEBUG_PRINT (TRACE_ALLOCATIONS | TRACE_TABLES,
768                           ("%30s: %4d (%3d Kb)\n", "Max Nodes",
769                           acpi_gbl_max_concurrent_node_count,
770                           ROUND_UP_TO_1K ((acpi_gbl_max_concurrent_node_count *
771                                          sizeof (struct acpi_namespace_node)))));
772 */
773         return_VOID;
774 }
775 #endif                          /*  ACPI_FUTURE_USAGE  */
776
777 /*******************************************************************************
778  *
779  * FUNCTION:    acpi_ut_dump_allocations
780  *
781  * PARAMETERS:  Component           - Component(s) to dump info for.
782  *              Module              - Module to dump info for.  NULL means all.
783  *
784  * RETURN:      None
785  *
786  * DESCRIPTION: Print a list of all outstanding allocations.
787  *
788  ******************************************************************************/
789
790 void acpi_ut_dump_allocations(u32 component, char *module)
791 {
792         struct acpi_debug_mem_block *element;
793         union acpi_descriptor *descriptor;
794         u32 num_outstanding = 0;
795
796         ACPI_FUNCTION_TRACE("ut_dump_allocations");
797
798         /*
799          * Walk the allocation list.
800          */
801         if (ACPI_FAILURE(acpi_ut_acquire_mutex(ACPI_MTX_MEMORY))) {
802                 return;
803         }
804
805         element = acpi_gbl_global_list->list_head;
806         while (element) {
807                 if ((element->component & component) &&
808                     ((module == NULL)
809                      || (0 == ACPI_STRCMP(module, element->module)))) {
810                         /* Ignore allocated objects that are in a cache */
811
812                         descriptor =
813                             ACPI_CAST_PTR(union acpi_descriptor,
814                                           &element->user_space);
815                         if (descriptor->descriptor_id != ACPI_DESC_TYPE_CACHED) {
816                                 acpi_os_printf("%p Len %04X %9.9s-%d [%s] ",
817                                                descriptor, element->size,
818                                                element->module, element->line,
819                                                acpi_ut_get_descriptor_name
820                                                (descriptor));
821
822                                 /* Most of the elements will be Operand objects. */
823
824                                 switch (ACPI_GET_DESCRIPTOR_TYPE(descriptor)) {
825                                 case ACPI_DESC_TYPE_OPERAND:
826                                         acpi_os_printf("%12.12s R%hd",
827                                                        acpi_ut_get_type_name
828                                                        (descriptor->object.
829                                                         common.type),
830                                                        descriptor->object.
831                                                        common.reference_count);
832                                         break;
833
834                                 case ACPI_DESC_TYPE_PARSER:
835                                         acpi_os_printf("aml_opcode %04hX",
836                                                        descriptor->op.asl.
837                                                        aml_opcode);
838                                         break;
839
840                                 case ACPI_DESC_TYPE_NAMED:
841                                         acpi_os_printf("%4.4s",
842                                                        acpi_ut_get_node_name
843                                                        (&descriptor->node));
844                                         break;
845
846                                 default:
847                                         break;
848                                 }
849
850                                 acpi_os_printf("\n");
851                                 num_outstanding++;
852                         }
853                 }
854                 element = element->next;
855         }
856
857         (void)acpi_ut_release_mutex(ACPI_MTX_MEMORY);
858
859         /* Print summary */
860
861         if (!num_outstanding) {
862                 ACPI_INFO((AE_INFO, "No outstanding allocations"));
863         } else {
864                 ACPI_ERROR((AE_INFO,
865                             "%d(%X) Outstanding allocations",
866                             num_outstanding, num_outstanding));
867         }
868
869         return_VOID;
870 }
871
872 #endif                          /* #ifdef ACPI_DBG_TRACK_ALLOCATIONS */