#ifndef __ASM_SH_CACHEFLUSH_H#define __ASM_SH_CACHEFLUSH_H#ifdef __KERNEL__ #include <linux/mm.h>#include <asm/cpu/cacheflush.h> /* Flush (write-back only) a region (smaller than a page) */extern void __flush_wback_region(void *start, int size);/* Flush (write-back & invalidate) a region (smaller than a page) */extern void __flush_purge_region(void *start, int size);/* Flush (invalidate only) a region (smaller than a page) */extern void __flush_invalidate_region(void *start, int size); #define flush_cache_vmap(start, end)		flush_cache_all()#define flush_cache_vunmap(start, end)		flush_cache_all() #define copy_to_user_page(vma, page, vaddr, dst, src, len) \	do {							\		flush_cache_page(vma, vaddr, page_to_pfn(page));\		memcpy(dst, src, len);				\		flush_icache_user_range(vma, page, vaddr, len);	\	} while (0) #define copy_from_user_page(vma, page, vaddr, dst, src, len) \	do {							\		flush_cache_page(vma, vaddr, page_to_pfn(page));\		memcpy(dst, src, len);				\	} while (0) #define HAVE_ARCH_UNMAPPED_AREA #endif /* __KERNEL__ */#endif /* __ASM_SH_CACHEFLUSH_H */