Signed-off-by: Atsushi Nemoto <anemo@xxxxxxxxxxxxx>
---
I'm just resending this with a proper subject.
diff --git a/include/asm-mips/cacheflush.h b/include/asm-mips/cacheflush.h
index 4933b49..82e734d 100644
--- a/include/asm-mips/cacheflush.h
+++ b/include/asm-mips/cacheflush.h
@@ -79,6 +79,13 @@ extern void (*flush_icache_all)(void);
extern void (*local_flush_data_cache_page)(void * addr);
extern void (*flush_data_cache_page)(unsigned long addr);
+#define ARCH_HAS_FLUSH_KERNEL_DCACHE_PAGE
+static inline void flush_kernel_dcache_page(struct page *page)
+{
+ if (cpu_has_dc_aliases)
+ flush_data_cache_page((unsigned long)page_address(page));
+}
+
/*
* This flag is used to indicate that the page pointed to by a pte
* is dirty and requires cleaning before returning it to the user.
