1 files changed, 20 insertions, 15 deletions

diff --git a/mm/hugetlb.c b/mm/hugetlb.c
index cafd60316e68..34625b257128 100644
--- a/mm/hugetlb.c
+++ b/mm/hugetlb.c
@@ -1066,11 +1066,11 @@ static void free_gigantic_page(struct page *page, unsigned int order)
 }
 
 static int __alloc_gigantic_page(unsigned long start_pfn,
-				unsigned long nr_pages)
+				unsigned long nr_pages, gfp_t gfp_mask)
 {
 	unsigned long end_pfn = start_pfn + nr_pages;
 	return alloc_contig_range(start_pfn, end_pfn, MIGRATE_MOVABLE,
-				  GFP_KERNEL);
+				  gfp_mask);
 }
 
 static bool pfn_range_valid_gigantic(struct zone *z,
@@ -1108,19 +1108,24 @@ static bool zone_spans_last_pfn(const struct zone *zone,
 	return zone_spans_pfn(zone, last_pfn);
 }
 
-static struct page *alloc_gigantic_page(int nid, unsigned int order)
+static struct page *alloc_gigantic_page(int nid, struct hstate *h)
 {
+	unsigned int order = huge_page_order(h);
 	unsigned long nr_pages = 1 << order;
 	unsigned long ret, pfn, flags;
-	struct zone *z;
+	struct zonelist *zonelist;
+	struct zone *zone;
+	struct zoneref *z;
+	gfp_t gfp_mask;
 
-	z = NODE_DATA(nid)->node_zones;
-	for (; z - NODE_DATA(nid)->node_zones < MAX_NR_ZONES; z++) {
-		spin_lock_irqsave(&z->lock, flags);
+	gfp_mask = htlb_alloc_mask(h) | __GFP_THISNODE;
+	zonelist = node_zonelist(nid, gfp_mask);
+	for_each_zone_zonelist_nodemask(zone, z, zonelist, gfp_zone(gfp_mask), NULL) {
+		spin_lock_irqsave(&zone->lock, flags);
 
-		pfn = ALIGN(z->zone_start_pfn, nr_pages);
-		while (zone_spans_last_pfn(z, pfn, nr_pages)) {
-			if (pfn_range_valid_gigantic(z, pfn, nr_pages)) {
+		pfn = ALIGN(zone->zone_start_pfn, nr_pages);
+		while (zone_spans_last_pfn(zone, pfn, nr_pages)) {
+			if (pfn_range_valid_gigantic(zone, pfn, nr_pages)) {
 				/*
 				 * We release the zone lock here because
 				 * alloc_contig_range() will also lock the zone
@@ -1128,16 +1133,16 @@ static struct page *alloc_gigantic_page(int nid, unsigned int order)
 				 * spinning on this lock, it may win the race
 				 * and cause alloc_contig_range() to fail...
 				 */
-				spin_unlock_irqrestore(&z->lock, flags);
-				ret = __alloc_gigantic_page(pfn, nr_pages);
+				spin_unlock_irqrestore(&zone->lock, flags);
+				ret = __alloc_gigantic_page(pfn, nr_pages, gfp_mask);
 				if (!ret)
 					return pfn_to_page(pfn);
-				spin_lock_irqsave(&z->lock, flags);
+				spin_lock_irqsave(&zone->lock, flags);
 			}
 			pfn += nr_pages;
 		}
 
-		spin_unlock_irqrestore(&z->lock, flags);
+		spin_unlock_irqrestore(&zone->lock, flags);
 	}
 
 	return NULL;
@@ -1150,7 +1155,7 @@ static struct page *alloc_fresh_gigantic_page_node(struct hstate *h, int nid)
 {
 	struct page *page;
 
-	page = alloc_gigantic_page(nid, huge_page_order(h));
+	page = alloc_gigantic_page(nid, h);
 	if (page) {
 		prep_compound_gigantic_page(page, huge_page_order(h));
 		prep_new_huge_page(h, page, nid);