From: Bob Liu <lliubbo@xxxxxxxxx>
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.
---
mempolicy.c | 5 +----
1 files changed, 1 insertions(+), 4 deletions(-)
diff --git a/mm/mempolicy.c b/mm/mempolicy.c
index bda230e..b6fbcbd 100644
--- a/mm/mempolicy.c
+++ b/mm/mempolicy.c
@@ -128,9 +128,6 @@ 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;
@@ -146,7 +143,7 @@ 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,
--
1.5.6.3
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