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-rw-r--r--mm/vmscan.c4
1 files changed, 2 insertions, 2 deletions
diff --git a/mm/vmscan.c b/mm/vmscan.c
index cd9f222a3e78..f6570f334a05 100644
--- a/mm/vmscan.c
+++ b/mm/vmscan.c
@@ -587,7 +587,7 @@ unsigned long zone_reclaimable_pages(struct zone *zone)
* lruvec_lru_size - Returns the number of pages on the given LRU list.
* @lruvec: lru vector
* @lru: lru to use
- * @zone_idx: zones to consider (use MAX_NR_ZONES for the whole LRU list)
+ * @zone_idx: zones to consider (use MAX_NR_ZONES - 1 for the whole LRU list)
*/
static unsigned long lruvec_lru_size(struct lruvec *lruvec, enum lru_list lru,
int zone_idx)
@@ -595,7 +595,7 @@ static unsigned long lruvec_lru_size(struct lruvec *lruvec, enum lru_list lru,
unsigned long size = 0;
int zid;
- for (zid = 0; zid <= zone_idx && zid < MAX_NR_ZONES; zid++) {
+ for (zid = 0; zid <= zone_idx; zid++) {
struct zone *zone = &lruvec_pgdat(lruvec)->node_zones[zid];
if (!managed_zone(zone))