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authorJan Beulich <JBeulich@novell.com>2010-10-26 14:22:27 -0700
committerLinus Torvalds <torvalds@linux-foundation.org>2010-10-26 16:52:13 -0700
commit3ecb01df3261d3b1f02ccfcf8384e2a255d2a1d0 (patch)
tree1fe91114d8829a511db48d757c787cfede3b929c /mm
parentb6472776816af1ed52848c93d26e3edb3b17adab (diff)
downloadvexpress-lsk-3ecb01df3261d3b1f02ccfcf8384e2a255d2a1d0.tar.gz
use clear_page()/copy_page() in favor of memset()/memcpy() on whole pages
After all that's what they are intended for. Signed-off-by: Jan Beulich <jbeulich@novell.com> Cc: Miklos Szeredi <miklos@szeredi.hu> Cc: "Eric W. Biederman" <ebiederm@xmission.com> Cc: "Rafael J. Wysocki" <rjw@sisk.pl> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
Diffstat (limited to 'mm')
-rw-r--r--mm/memory.c2
1 files changed, 1 insertions, 1 deletions
diff --git a/mm/memory.c b/mm/memory.c
index 861f7982dd5..02e48aa0ed1 100644
--- a/mm/memory.c
+++ b/mm/memory.c
@@ -2080,7 +2080,7 @@ static inline void cow_user_page(struct page *dst, struct page *src, unsigned lo
* zeroes.
*/
if (__copy_from_user_inatomic(kaddr, uaddr, PAGE_SIZE))
- memset(kaddr, 0, PAGE_SIZE);
+ clear_page(kaddr);
kunmap_atomic(kaddr, KM_USER0);
flush_dcache_page(dst);
} else