diff options
Diffstat (limited to 'mm/page_alloc.c')
| -rw-r--r-- | mm/page_alloc.c | 9 |
1 files changed, 7 insertions, 2 deletions
diff --git a/mm/page_alloc.c b/mm/page_alloc.c index 3f18a14effb8..d259cc2b69c1 100644 --- a/mm/page_alloc.c +++ b/mm/page_alloc.c @@ -691,7 +691,8 @@ static void free_one_page(struct zone *zone, struct page *page, int order, zone->pages_scanned = 0; __free_one_page(page, zone, order, migratetype); - __mod_zone_page_state(zone, NR_FREE_PAGES, 1 << order); + if (unlikely(migratetype != MIGRATE_ISOLATE)) + __mod_zone_page_state(zone, NR_FREE_PAGES, 1 << order); spin_unlock(&zone->lock); } @@ -1392,6 +1393,7 @@ int capture_free_page(struct page *page, int alloc_order, int migratetype) unsigned int order; unsigned long watermark; struct zone *zone; + int mt; BUG_ON(!PageBuddy(page)); @@ -1407,7 +1409,10 @@ int capture_free_page(struct page *page, int alloc_order, int migratetype) list_del(&page->lru); zone->free_area[order].nr_free--; rmv_page_order(page); - __mod_zone_page_state(zone, NR_FREE_PAGES, -(1UL << order)); + + mt = get_pageblock_migratetype(page); + if (unlikely(mt != MIGRATE_ISOLATE)) + __mod_zone_page_state(zone, NR_FREE_PAGES, -(1UL << order)); if (alloc_order != order) expand(zone, page, alloc_order, order, |