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-rw-r--r--include/asm-mips/cacheflush.h18
1 files changed, 16 insertions, 2 deletions
diff --git a/include/asm-mips/cacheflush.h b/include/asm-mips/cacheflush.h
index 01e7eadc97e..d5c0f2fda51 100644
--- a/include/asm-mips/cacheflush.h
+++ b/include/asm-mips/cacheflush.h
@@ -63,8 +63,22 @@ static inline void flush_icache_page(struct vm_area_struct *vma,
}
extern void (*flush_icache_range)(unsigned long start, unsigned long end);
-#define flush_cache_vmap(start, end) flush_cache_all()
-#define flush_cache_vunmap(start, end) flush_cache_all()
+
+extern void (*__flush_cache_vmap)(void);
+
+static inline void flush_cache_vmap(unsigned long start, unsigned long end)
+{
+ if (cpu_has_dc_aliases)
+ __flush_cache_vmap();
+}
+
+extern void (*__flush_cache_vunmap)(void);
+
+static inline void flush_cache_vunmap(unsigned long start, unsigned long end)
+{
+ if (cpu_has_dc_aliases)
+ __flush_cache_vunmap();
+}
extern void copy_to_user_page(struct vm_area_struct *vma,
struct page *page, unsigned long vaddr, void *dst, const void *src,