Subject: [PATCH 6/7][TRIVIAL][resend] mm: cleanup page reclaim comment error

From: Wanpeng Li <[email-masked]>
Date: Fri, 15 Jun 2012 21:19:45 +0800

From: Wanpeng Li <[email-masked]>

Since there are five lists in LRU cache, the array nr in get_scan_count
should be:

nr[0] = anon inactive pages to scan; nr[1] = anon active pages to scan
nr[2] = file inactive pages to scan; nr[3] = file active pages to scan

Signed-off-by: Wanpeng Li <[email-masked]>
Acked-by: KOSAKI Motohiro <[email-masked]>
Acked-by: Minchan Kim <[email-masked]>
Reviewed-by: Rik van Riel <[email-masked]>

---
 mm/vmscan.c |    3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/mm/vmscan.c b/mm/vmscan.c
index eeb3bc9..ed823df 100644
--- a/mm/vmscan.c
+++ b/mm/vmscan.c
@@ -1567,7 +1567,8 @@ static int vmscan_swappiness(struct scan_control *sc)
  * by looking at the fraction of the pages scanned we did rotate back
  * onto the active list instead of evict.
  *
- * nr[0] = anon pages to scan; nr[1] = file pages to scan
+ * nr[0] = anon inactive pages to scan; nr[1] = anon active pages to scan
+ * nr[2] = file inactive pages to scan; nr[3] = file active pages to scan
  */
 static void get_scan_count(struct lruvec *lruvec, struct scan_control *sc,
 			   unsigned long *nr)
-- 
1.7.9.5