diff options
Diffstat (limited to 'arch/s390/include/asm/cacheflush.h')
| -rw-r--r-- | arch/s390/include/asm/cacheflush.h | 31 |
1 files changed, 31 insertions, 0 deletions
diff --git a/arch/s390/include/asm/cacheflush.h b/arch/s390/include/asm/cacheflush.h new file mode 100644 index 00000000000..49d5af916d0 --- /dev/null +++ b/arch/s390/include/asm/cacheflush.h @@ -0,0 +1,31 @@ +#ifndef _S390_CACHEFLUSH_H +#define _S390_CACHEFLUSH_H + +/* Keep includes the same across arches. */ +#include <linux/mm.h> + +/* Caches aren't brain-dead on the s390. */ +#define flush_cache_all() do { } while (0) +#define flush_cache_mm(mm) do { } while (0) +#define flush_cache_dup_mm(mm) do { } while (0) +#define flush_cache_range(vma, start, end) do { } while (0) +#define flush_cache_page(vma, vmaddr, pfn) do { } while (0) +#define flush_dcache_page(page) do { } while (0) +#define flush_dcache_mmap_lock(mapping) do { } while (0) +#define flush_dcache_mmap_unlock(mapping) do { } while (0) +#define flush_icache_range(start, end) do { } while (0) +#define flush_icache_page(vma,pg) do { } while (0) +#define flush_icache_user_range(vma,pg,adr,len) do { } while (0) +#define flush_cache_vmap(start, end) do { } while (0) +#define flush_cache_vunmap(start, end) do { } while (0) + +#define copy_to_user_page(vma, page, vaddr, dst, src, len) \ + memcpy(dst, src, len) +#define copy_from_user_page(vma, page, vaddr, dst, src, len) \ + memcpy(dst, src, len) + +#ifdef CONFIG_DEBUG_PAGEALLOC +void kernel_map_pages(struct page *page, int numpages, int enable); +#endif + +#endif /* _S390_CACHEFLUSH_H */ |