diff options
Diffstat (limited to 'mm/hugetlb.c')
| -rw-r--r-- | mm/hugetlb.c | 35 |
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); |