#ifndef __ASM_CACHEFLUSH_H#define __ASM_CACHEFLUSH_H /* Keep includes the same across arches.  */#include <linux/mm.h> /* * The cache doesn't need to be flushed when TLB entries change when * the cache is mapped to physical memory, not virtual memory */#define flush_cache_all()			do { } while (0)#define flush_cache_mm(mm)			do { } while (0)#define flush_cache_dup_mm(mm)			do { } while (0)#define flush_cache_range(vma, start, end)	do { } while (0)#define flush_cache_page(vma, vmaddr, pfn)	do { } while (0)#define flush_dcache_page(page)			do { } while (0)#define flush_dcache_mmap_lock(mapping)		do { } while (0)#define flush_dcache_mmap_unlock(mapping)	do { } while (0)#define flush_icache_range(start, end)		do { } while (0)#define flush_icache_page(vma,pg)		do { } while (0)#define flush_icache_user_range(vma,pg,adr,len)	do { } while (0)#define flush_cache_vmap(start, end)		do { } while (0)#define flush_cache_vunmap(start, end)		do { } while (0) #define copy_to_user_page(vma, page, vaddr, dst, src, len) \	memcpy(dst, src, len)#define copy_from_user_page(vma, page, vaddr, dst, src, len) \	memcpy(dst, src, len) #endif /* __ASM_CACHEFLUSH_H */