m32r: __xchg() should be always_inline
[linux-2.6] / include / asm-sh / cacheflush.h
1 #ifndef __ASM_SH_CACHEFLUSH_H
2 #define __ASM_SH_CACHEFLUSH_H
3 #ifdef __KERNEL__
4
5 #include <linux/mm.h>
6 #include <asm/cpu/cacheflush.h>
7
8 /* Flush (write-back only) a region (smaller than a page) */
9 extern void __flush_wback_region(void *start, int size);
10 /* Flush (write-back & invalidate) a region (smaller than a page) */
11 extern void __flush_purge_region(void *start, int size);
12 /* Flush (invalidate only) a region (smaller than a page) */
13 extern void __flush_invalidate_region(void *start, int size);
14
15 #define flush_cache_vmap(start, end)            flush_cache_all()
16 #define flush_cache_vunmap(start, end)          flush_cache_all()
17
18 #define copy_to_user_page(vma, page, vaddr, dst, src, len) \
19         do {                                                    \
20                 flush_cache_page(vma, vaddr, page_to_pfn(page));\
21                 memcpy(dst, src, len);                          \
22                 flush_icache_user_range(vma, page, vaddr, len); \
23         } while (0)
24
25 #define copy_from_user_page(vma, page, vaddr, dst, src, len) \
26         do {                                                    \
27                 flush_cache_page(vma, vaddr, page_to_pfn(page));\
28                 memcpy(dst, src, len);                          \
29         } while (0)
30
31 #define HAVE_ARCH_UNMAPPED_AREA
32
33 #endif /* __KERNEL__ */
34 #endif /* __ASM_SH_CACHEFLUSH_H */