block: add helpers to run flush_dcache_page() against a bio and a request's pages

[mirror_ubuntu-bionic-kernel.git] / arch / alpha / include / asm / cacheflush.h

diff --git a/arch/alpha/include/asm/cacheflush.h b/arch/alpha/include/asm/cacheflush.h
index b686cc7fc44e467d91a449b5e9dea7759cfe23fc..01d71e1c8a9eb6df57fe8bc13e1f94f634a8eaf7 100644 (file)
--- a/arch/alpha/include/asm/cacheflush.h
+++ b/arch/alpha/include/asm/cacheflush.h
@@ -9,6 +9,7 @@
 #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 ARCH_IMPLEMENTS_FLUSH_DCACHE_PAGE 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)