Use zone->managed_pages instead of zone->present_pages to calculate
default zonelist order because managed_pages means allocatable pages.
Signed-off-by: Jiang Liu <jiang.liu@xxxxxxxxxx>
Cc: Mel Gorman <mel@xxxxxxxxx>
Cc: Minchan Kim <minchan@xxxxxxxxxx>
Cc: Marek Szyprowski <m.szyprowski@xxxxxxxxxxx>
Cc: linux-mm@xxxxxxxxx
Cc: linux-kernel@xxxxxxxxxxxxxxx
---
mm/page_alloc.c | 4 ++--
1 file changed, 2 insertions(+), 2 deletions(-)
diff --git a/mm/page_alloc.c b/mm/page_alloc.c
index 88c8642..f7714c8 100644
--- a/mm/page_alloc.c
+++ b/mm/page_alloc.c
@@ -3451,8 +3451,8 @@ static int default_zonelist_order(void)
z = &NODE_DATA(nid)->node_zones[zone_type];
if (populated_zone(z)) {
if (zone_type < ZONE_NORMAL)
- low_kmem_size += z->present_pages;
- total_size += z->present_pages;
+ low_kmem_size += z->managed_pages;
+ total_size += z->managed_pages;
} else if (zone_type == ZONE_NORMAL) {
/*
* If any node has only lowmem, then node order
--
1.8.1.2
--
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