From 01424961e621737c638e489b6a0b5e6602b02612 Mon Sep 17 00:00:00 2001
From: Al Viro <viro@www.linux.org.uk>
Date: Sun, 24 Apr 2005 12:28:34 -0700
Subject: [PATCH] [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>
---
 mm/mempolicy.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/mm/mempolicy.c b/mm/mempolicy.c
index a3b44a671c..08c41da429 100644
--- a/mm/mempolicy.c
+++ b/mm/mempolicy.c
@@ -661,7 +661,7 @@ static struct zonelist *zonelist_policy(unsigned int __nocast gfp, struct mempol
 	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*/
-- 
2.39.5