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mempolicy: remove redundant code

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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>
This commit is contained in:
Bob Liu 2010-05-24 14:31:59 -07:00 committed by Linus Torvalds
parent e13861d822
commit 6d556294d5
1 changed files with 1 additions and 4 deletions
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5
mm/mempolicy.c
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@ -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,