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| author | Bob Liu <lliubbo@gmail.com> | 2010-05-24 14:31:59 -0700 |
|---|---|---|
| committer | Linus Torvalds <torvalds@linux-foundation.org> | 2010-05-25 08:06:57 -0700 |
| commit | 6d556294d5b27fb12f18be7495af45b6156a409e (patch) | |
| tree | cb8549b4a4dc53399abc596dcac4630b0d936abf /mm/mempolicy.c | |
| parent | e13861d822f8f443ca0c020ea8fc2dc01039cd63 (diff) | |
| download | lwn-6d556294d5b27fb12f18be7495af45b6156a409e.tar.gz lwn-6d556294d5b27fb12f18be7495af45b6156a409e.zip | |
mempolicy: remove redundant code
1. In funtion is_valid_nodemask(), varibable k will be inited to 0 in
the following loop, needn't init to policy_zone anymore.
2. (MPOL_F_STATIC_NODES | MPOL_F_RELATIVE_NODES) has already defined
to MPOL_MODE_FLAGS in mempolicy.h.
Signed-off-by: Bob Liu <lliubbo@gmail.com>
Acked-by: David Rientjes <rientjes@google.com>
Cc: KOSAKI Motohiro <kosaki.motohiro@jp.fujitsu.com>
Cc: Christoph Lameter <cl@linux-foundation.org>
Cc: Mel Gorman <mel@csn.ul.ie>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
Diffstat (limited to 'mm/mempolicy.c')
| -rw-r--r-- | mm/mempolicy.c | 5 |
1 files changed, 1 insertions, 4 deletions
diff --git a/mm/mempolicy.c b/mm/mempolicy.c index 08f40a2f3fe0..ad500f3b12bf 100644 --- a/mm/mempolicy.c +++ b/mm/mempolicy.c @@ -127,9 +127,6 @@ static int is_valid_nodemask(const nodemask_t *nodemask) { int nd, k; - /* Check that there is something useful in this mask */ - k = policy_zone; - for_each_node_mask(nd, *nodemask) { struct zone *z; @@ -145,7 +142,7 @@ static int is_valid_nodemask(const nodemask_t *nodemask) static inline int mpol_store_user_nodemask(const struct mempolicy *pol) { - return pol->flags & (MPOL_F_STATIC_NODES | MPOL_F_RELATIVE_NODES); + return pol->flags & MPOL_MODE_FLAGS; } static void mpol_relative_nodemask(nodemask_t *ret, const nodemask_t *orig, |