[PATCH] mm/mempolicy.c: use enum value MPOL_REBIND_ONCE instead of0 in mpol_rebind_policy

[Wang Sheng-Hui]

We have enum definition in mempolicy.h: MPOL_REBIND_ONCE.
It should replace the magic number 0 for step comparison in
function mpol_rebind_policy.

Signed-off-by: Wang Sheng-Hui <shhuiw@xxxxxxxxx>
---
 mm/mempolicy.c |    2 +-
 1 files changed, 1 insertions(+), 1 deletions(-)

diff --git a/mm/mempolicy.c b/mm/mempolicy.c
index 9c51f9f..ecdaa8d 100644
--- a/mm/mempolicy.c
+++ b/mm/mempolicy.c
@@ -390,7 +390,7 @@ static void mpol_rebind_policy(struct mempolicy *pol, const nodemask_t *newmask,
 {
 	if (!pol)
 		return;
-	if (!mpol_store_user_nodemask(pol) && step == 0 &&
+	if (!mpol_store_user_nodemask(pol) && step == MPOL_REBIND_ONCE &&
 	    nodes_equal(pol->w.cpuset_mems_allowed, *newmask))
 		return;
 
-- 
1.7.1


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