The variable current_order decreases from MAX_ORDER-1 to order, so the
condition current_order <= MAX_ORDER-1 is always true.
Signed-off-by: Hao Lee <haolee.swjtu@xxxxxxxxx>
---
mm/page_alloc.c | 5 ++---
1 file changed, 2 insertions(+), 3 deletions(-)
diff --git a/mm/page_alloc.c b/mm/page_alloc.c
index 2302f25..9120c2b 100644
--- a/mm/page_alloc.c
+++ b/mm/page_alloc.c
@@ -2215,9 +2215,8 @@ __rmqueue_fallback(struct zone *zone, unsigned int order, int start_migratetype)
bool can_steal;
/* Find the largest possible block of pages in the other list */
- for (current_order = MAX_ORDER-1;
- current_order >= order && current_order <= MAX_ORDER-1;
- --current_order) {
+ for (current_order = MAX_ORDER-1; current_order >= order;
+ --current_order) {
area = &(zone->free_area[current_order]);
fallback_mt = find_suitable_fallback(area, current_order,
start_migratetype, false, &can_steal);
--
2.9.3
--
To unsubscribe, send a message with 'unsubscribe linux-mm' in
the body to majordomo@xxxxxxxxx. For more info on Linux MM,
see: http://www.linux-mm.org/ .
Don't email: <a href=mailto:"dont@xxxxxxxxx";> email@xxxxxxxxx </a>
