From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from psmtp.com (na3sys010amx172.postini.com [74.125.245.172]) by kanga.kvack.org (Postfix) with SMTP id A71106B005C for ; Thu, 14 Jun 2012 08:37:16 -0400 (EDT) Received: by pbbrp2 with SMTP id rp2so4600395pbb.14 for ; Thu, 14 Jun 2012 05:37:15 -0700 (PDT) From: Wanpeng Li Subject: [PATCH] mm: fix page relaim comment error Date: Thu, 14 Jun 2012 20:36:48 +0800 Message-Id: <1339677408-25253-1-git-send-email-liwp.linux@gmail.com> Sender: owner-linux-mm@kvack.org List-ID: To: linux-mm@kvack.org Cc: Andrew Morton , KAMEZAWA Hiroyuki , Mel Gorman , Minchan Kim , linux-kernel@vger.kernel.org, trivial@kernel.org, Gavin Shan , Wanpeng Li From: Wanpeng Li 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 --- 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 -- To unsubscribe, send a message with 'unsubscribe linux-mm' in the body to majordomo@kvack.org. For more info on Linux MM, see: http://www.linux-mm.org/ . Don't email: email@kvack.org