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[PATCH] mm: D-cache aliasing issue in cow_user_page
[safe/jmp/linux-2.6]
/
mm
/
memory.c
diff --git
a/mm/memory.c
b/mm/memory.c
index
b5a4aad
..
156861f
100644
(file)
--- a/
mm/memory.c
+++ b/
mm/memory.c
@@
-1452,6
+1452,7
@@
static inline void cow_user_page(struct page *dst, struct page *src, unsigned lo
if (__copy_from_user_inatomic(kaddr, uaddr, PAGE_SIZE))
memset(kaddr, 0, PAGE_SIZE);
kunmap_atomic(kaddr, KM_USER0);
+ flush_dcache_page(dst);
return;
}