[PATCH] mempolicy.c GFP fix
zonelist_policy() forgot to mask non-zone bits from gfp when comparing
zone number with policy_zone.
ACKed-by: Andi Kleen <ak@suse.de>
Signed-off-by: Al Viro <viro@parcelfarce.linux.theplanet.co.uk>
Signed-off-by: Linus Torvalds <torvalds@osdl.org>
diff --git a/mm/mempolicy.c b/mm/mempolicy.c
index a3b44a6..08c41da 100644
--- a/mm/mempolicy.c
+++ b/mm/mempolicy.c
@@ -661,7 +661,7 @@
case MPOL_BIND:
/* Lower zones don't get a policy applied */
/* Careful: current->mems_allowed might have moved */
- if (gfp >= policy_zone)
+ if ((gfp & GFP_ZONEMASK) >= policy_zone)
if (cpuset_zonelist_valid_mems_allowed(policy->v.zonelist))
return policy->v.zonelist;
/*FALL THROUGH*/