From: Andrew Morton <akpm@linux-foundation.org>
Date: Wed, 20 Feb 2013 02:14:01 +0000 (+1100)
Subject: mm-vmscan-clean-up-get_scan_count-fix
X-Git-Tag: next-20130220~1^2~586
X-Git-Url: https://git.karo-electronics.de/?a=commitdiff_plain;h=cc6f2a48f9415d47a70a1c77756385f568257691;p=karo-tx-linux.git

mm-vmscan-clean-up-get_scan_count-fix

avoid using unintialized_var()

Cc: Hugh Dickins <hughd@google.com>
Cc: Johannes Weiner <hannes@cmpxchg.org>
Cc: Mel Gorman <mgorman@suse.de>
Cc: Michal Hocko <mhocko@suse.cz>
Cc: Rik van Riel <riel@redhat.com>
Cc: Satoru Moriya <satoru.moriya@hds.com>
Cc: Simon Jeons <simon.jeons@gmail.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
---

diff --git a/mm/vmscan.c b/mm/vmscan.c
index 438c336af9d1..d4f37634194e 100644
--- a/mm/vmscan.c
+++ b/mm/vmscan.c
@@ -1658,7 +1658,8 @@ static void get_scan_count(struct lruvec *lruvec, struct scan_control *sc,
 			   unsigned long *nr)
 {
 	struct zone_reclaim_stat *reclaim_stat = &lruvec->reclaim_stat;
-	u64 fraction[2], uninitialized_var(denominator);
+	u64 fraction[2];
+	u64 denominator = 0;	/* gcc */
 	struct zone *zone = lruvec_zone(lruvec);
 	unsigned long anon_prio, file_prio;
 	enum scan_balance scan_balance;