]> git.proxmox.com Git - mirror_ubuntu-bionic-kernel.git/blame - arch/s390/include/asm/cacheflush.h
block: add helpers to run flush_dcache_page() against a bio and a request's pages
[mirror_ubuntu-bionic-kernel.git] / arch / s390 / include / asm / cacheflush.h
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1da177e4
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1#ifndef _S390_CACHEFLUSH_H
2#define _S390_CACHEFLUSH_H
3
4/* Keep includes the same across arches. */
5#include <linux/mm.h>
6
7/* Caches aren't brain-dead on the s390. */
8#define flush_cache_all() do { } while (0)
9#define flush_cache_mm(mm) do { } while (0)
ec8c0446 10#define flush_cache_dup_mm(mm) do { } while (0)
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11#define flush_cache_range(vma, start, end) do { } while (0)
12#define flush_cache_page(vma, vmaddr, pfn) do { } while (0)
2d4dc890 13#define ARCH_IMPLEMENTS_FLUSH_DCACHE_PAGE 0
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14#define flush_dcache_page(page) do { } while (0)
15#define flush_dcache_mmap_lock(mapping) do { } while (0)
16#define flush_dcache_mmap_unlock(mapping) do { } while (0)
17#define flush_icache_range(start, end) do { } while (0)
18#define flush_icache_page(vma,pg) do { } while (0)
19#define flush_icache_user_range(vma,pg,adr,len) do { } while (0)
20#define flush_cache_vmap(start, end) do { } while (0)
21#define flush_cache_vunmap(start, end) do { } while (0)
22
23#define copy_to_user_page(vma, page, vaddr, dst, src, len) \
24 memcpy(dst, src, len)
25#define copy_from_user_page(vma, page, vaddr, dst, src, len) \
26 memcpy(dst, src, len)
27
2485579b
HC
28#ifdef CONFIG_DEBUG_PAGEALLOC
29void kernel_map_pages(struct page *page, int numpages, int enable);
30#endif
31
1da177e4 32#endif /* _S390_CACHEFLUSH_H */