From: Shaohua Li <shaohua.li@intel.com>
Date: Tue, 26 Oct 2010 21:21:37 +0000 (-0700)
Subject: vmscan: delete dead code
X-Git-Tag: upstream/snapshot3+hdmi~12647^2~143
X-Git-Url: http://review.tizen.org/git/?a=commitdiff_plain;h=66d9a986cddbbc2ea5db013e7999c621a956cc47;p=platform%2Fadaptation%2Frenesas_rcar%2Frenesas_kernel.git

vmscan: delete dead code

`priority' cannot be negative here.  And the comment is obsolete.

Signed-off-by: Shaohua Li <shaohua.li@intel.com>
Reviewed-by: KOSAKI Motohiro <kosaki.motohiro@jp.fujitsu.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
---

diff --git a/mm/vmscan.c b/mm/vmscan.c
index 0c33a09..28b0521 100644
--- a/mm/vmscan.c
+++ b/mm/vmscan.c
@@ -1956,16 +1956,6 @@ static unsigned long do_try_to_free_pages(struct zonelist *zonelist,
 	}
 
 out:
-	/*
-	 * Now that we've scanned all the zones at this priority level, note
-	 * that level within the zone so that the next thread which performs
-	 * scanning of this zone will immediately start out at this priority
-	 * level.  This affects only the decision whether or not to bring
-	 * mapped pages onto the inactive list.
-	 */
-	if (priority < 0)
-		priority = 0;
-
 	delayacct_freepages_end();
 	put_mems_allowed();