1#ifndef __ASM_CACHEFLUSH_H 2#define __ASM_CACHEFLUSH_H 3 4/* Keep includes the same across arches. */ 5#include <linux/mm.h> 6 7/* 8 * The cache doesn't need to be flushed when TLB entries change when 9 * the cache is mapped to physical memory, not virtual memory 10 */ 11#define flush_cache_all() do { } while (0) 12#define flush_cache_mm(mm) do { } while (0) 13#define flush_cache_dup_mm(mm) do { } while (0) 14#define flush_cache_range(vma, start, end) do { } while (0) 15#define flush_cache_page(vma, vmaddr, pfn) do { } while (0) 16#define ARCH_IMPLEMENTS_FLUSH_DCACHE_PAGE 0 17#define flush_dcache_page(page) do { } while (0) 18#define flush_dcache_mmap_lock(mapping) do { } while (0) 19#define flush_dcache_mmap_unlock(mapping) do { } while (0) 20#define flush_icache_range(start, end) do { } while (0) 21#define flush_icache_page(vma,pg) do { } while (0) 22#define flush_icache_user_range(vma,pg,adr,len) do { } while (0) 23#define flush_cache_vmap(start, end) do { } while (0) 24#define flush_cache_vunmap(start, end) do { } while (0) 25 26#define copy_to_user_page(vma, page, vaddr, dst, src, len) \ 27 memcpy(dst, src, len) 28#define copy_from_user_page(vma, page, vaddr, dst, src, len) \ 29 memcpy(dst, src, len) 30 31#endif /* __ASM_CACHEFLUSH_H */ 32