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 flush_dcache_page(page) do { } while (0)
17 #define flush_dcache_mmap_lock(mapping) do { } while (0)
18 #define flush_dcache_mmap_unlock(mapping) do { } while (0)
19 #define flush_icache_range(start, end) do { } while (0)
20 #define flush_icache_page(vma,pg) do { } while (0)
21 #define flush_icache_user_range(vma,pg,adr,len) do { } while (0)
22 #define flush_cache_vmap(start, end) do { } while (0)
23 #define flush_cache_vunmap(start, end) do { } while (0)
24
25 #define copy_to_user_page(vma, page, vaddr, dst, src, len) \
26 memcpy(dst, src, len)
27 #define copy_from_user_page(vma, page, vaddr, dst, src, len) \
28 memcpy(dst, src, len)
29
30 #endif /* __ASM_CACHEFLUSH_H */
31
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