From: Andrew Morton <akpm@linux-foundation.org>
Date: Fri, 9 Nov 2012 03:04:05 +0000 (+1100)
Subject: mmvmscan-only-evict-file-pages-when-we-have-plenty-fix
X-Git-Tag: next-20121112~5^2~234
X-Git-Url: https://git.karo-electronics.de/?a=commitdiff_plain;h=4e85f5406ff93cfaa541a965dceed10cd5e06110;p=karo-tx-linux.git

mmvmscan-only-evict-file-pages-when-we-have-plenty-fix

adjust comment layout

Cc: Rik van Riel <riel@redhat.com>
Cc: Mel Gorman <mel@csn.ul.ie>
Cc: Johannes Weiner <hannes@cmpxchg.org>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
---

diff --git a/mm/vmscan.c b/mm/vmscan.c
index d6dd126085f8..6b0413eb6955 100644
--- a/mm/vmscan.c
+++ b/mm/vmscan.c
@@ -1679,9 +1679,11 @@ static void get_scan_count(struct lruvec *lruvec, struct scan_control *sc,
 
 	if (global_reclaim(sc)) {
 		free  = zone_page_state(zone, NR_FREE_PAGES);
-		/* If we have very few page cache pages,
-		   force-scan anon pages. */
 		if (unlikely(file + free <= high_wmark_pages(zone))) {
+			/*
+			 * If we have very few page cache pages, force-scan
+			 * anon pages.
+			 */
 			fraction[0] = 1;
 			fraction[1] = 0;
 			denominator = 1;