Linux Kernel  3.7.1
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cacheflush.h
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1 #ifndef _CRIS_CACHEFLUSH_H
2 #define _CRIS_CACHEFLUSH_H
3 
4 /* Keep includes the same across arches. */
5 #include <linux/mm.h>
6 
7 /* The cache doesn't need to be flushed when TLB entries change because
8  * the cache is mapped to physical memory, not virtual memory
9  */
10 #define flush_cache_all() do { } while (0)
11 #define flush_cache_mm(mm) do { } while (0)
12 #define flush_cache_dup_mm(mm) do { } while (0)
13 #define flush_cache_range(vma, start, end) do { } while (0)
14 #define flush_cache_page(vma, vmaddr, pfn) do { } while (0)
15 #define ARCH_IMPLEMENTS_FLUSH_DCACHE_PAGE 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 int change_page_attr(struct page *page, int numpages, pgprot_t prot);
31 
32 #endif /* _CRIS_CACHEFLUSH_H */