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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 |
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