2 * Copyright (C) 2000 - 2007 Jeff Dike (jdike@{addtoit,intel.linux}.com)
3 * Licensed under the GPL
8 #include "linux/module.h"
9 #include "linux/sched.h"
10 #include "linux/init_task.h"
11 #include "linux/mqueue.h"
12 #include "asm/uaccess.h"
13 #include "asm/pgtable.h"
17 static struct fs_struct init_fs = INIT_FS;
18 struct mm_struct init_mm = INIT_MM(init_mm);
19 static struct files_struct init_files = INIT_FILES;
20 static struct signal_struct init_signals = INIT_SIGNALS(init_signals);
21 static struct sighand_struct init_sighand = INIT_SIGHAND(init_sighand);
22 EXPORT_SYMBOL(init_mm);
25 * Initial task structure.
27 * All other task structs will be allocated on slabs in fork.c
30 struct task_struct init_task = INIT_TASK(init_task);
32 EXPORT_SYMBOL(init_task);
35 * Initial thread structure.
37 * We need to make sure that this is aligned due to the
38 * way process stacks are handled. This is done by having a special
39 * "init_task" linker map entry..
42 union thread_union init_thread_union
43 __attribute__((__section__(".data.init_task"))) =
44 { INIT_THREAD_INFO(init_task) };
46 union thread_union cpu0_irqstack
47 __attribute__((__section__(".data.init_irqstack"))) =
48 { INIT_THREAD_INFO(init_task) };
50 void unprotect_stack(unsigned long stack)
52 os_protect_memory((void *) stack, THREAD_SIZE, 1, 1, 0);