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-rw-r--r--arch/arm/include/asm/cacheflush.h1
1 files changed, 1 insertions, 0 deletions
diff --git a/arch/arm/include/asm/cacheflush.h b/arch/arm/include/asm/cacheflush.h
index fd03fb6..247b7b0 100644
--- a/arch/arm/include/asm/cacheflush.h
+++ b/arch/arm/include/asm/cacheflush.h
@@ -408,6 +408,7 @@ extern void flush_ptrace_access(struct vm_area_struct *vma, struct page *page,
* about to change to user space. This is the same method as used on SPARC64.
* See update_mmu_cache for the user space part.
*/
+#define ARCH_IMPLEMENTS_FLUSH_DCACHE_PAGE 1
extern void flush_dcache_page(struct page *);
extern void __flush_dcache_page(struct address_space *mapping, struct page *page);
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