X-Git-Url: https://git.proxmox.com/?a=blobdiff_plain;f=mm%2Fvmscan.c;h=0515b8f4489480b26f697c82de0be268a2572b49;hb=54a6eb5c4765aa573a030ceeba2c14e3d2ea5706;hp=ef8551e0d2d022ab7e88898af47f656e37c2e817;hpb=18ea7e710d2452fa726814a406779188028cf1bf;p=mirror_ubuntu-artful-kernel.git

diff --git a/mm/vmscan.c b/mm/vmscan.c
index ef8551e0d2d0..0515b8f44894 100644
--- a/mm/vmscan.c
+++ b/mm/vmscan.c
@@ -1249,15 +1249,13 @@ static unsigned long shrink_zone(int priority, struct zone *zone,
 static unsigned long shrink_zones(int priority, struct zonelist *zonelist,
 					struct scan_control *sc)
 {
+	enum zone_type high_zoneidx = gfp_zone(sc->gfp_mask);
 	unsigned long nr_reclaimed = 0;
-	struct zone **zones = zonelist->zones;
-	int i;
-
+	struct zone **z;
+	struct zone *zone;
 
 	sc->all_unreclaimable = 1;
-	for (i = 0; zones[i] != NULL; i++) {
-		struct zone *zone = zones[i];
-
+	for_each_zone_zonelist(zone, z, zonelist, high_zoneidx) {
 		if (!populated_zone(zone))
 			continue;
 		/*
@@ -1311,8 +1309,9 @@ static unsigned long do_try_to_free_pages(struct zonelist *zonelist,
 	unsigned long nr_reclaimed = 0;
 	struct reclaim_state *reclaim_state = current->reclaim_state;
 	unsigned long lru_pages = 0;
-	struct zone **zones = zonelist->zones;
-	int i;
+	struct zone **z;
+	struct zone *zone;
+	enum zone_type high_zoneidx = gfp_zone(gfp_mask);
 
 	if (scan_global_lru(sc))
 		count_vm_event(ALLOCSTALL);
@@ -1320,8 +1319,7 @@ static unsigned long do_try_to_free_pages(struct zonelist *zonelist,
 	 * mem_cgroup will not do shrink_slab.
 	 */
 	if (scan_global_lru(sc)) {
-		for (i = 0; zones[i] != NULL; i++) {
-			struct zone *zone = zones[i];
+		for_each_zone_zonelist(zone, z, zonelist, high_zoneidx) {
 
 			if (!cpuset_zone_allowed_hardwall(zone, GFP_KERNEL))
 				continue;
@@ -1385,8 +1383,7 @@ out:
 		priority = 0;
 
 	if (scan_global_lru(sc)) {
-		for (i = 0; zones[i] != NULL; i++) {
-			struct zone *zone = zones[i];
+		for_each_zone_zonelist(zone, z, zonelist, high_zoneidx) {
 
 			if (!cpuset_zone_allowed_hardwall(zone, GFP_KERNEL))
 				continue;