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Date:	Sat, 7 Jan 2012 11:46:17 +0800
From:	Hillf Danton <dhillf@...il.com>
To:	linux-mm@...ck.org
Cc:	KAMEZAWA Hiroyuki <kamezawa.hiroyu@...fujitsu.com>,
	David Rientjes <rientjes@...gle.com>,
	Mel Gorman <mgorman@...e.de>,
	Andrew Morton <akpm@...ux-foundation.org>,
	Hillf Danton <dhillf@...il.com>,
	LKML <linux-kernel@...r.kernel.org>
Subject: [PATCH] mm: vmscan: no change of reclaim mode if unevictable page encountered

Since unevictable page is not isolated from lru list for shrink_page_list(),
it is accident if encountered in shrinking, and no need to change reclaim mode.

Cc: KAMEZAWA Hiroyuki <kamezawa.hiroyu@...fujitsu.com>
Cc: David Rientjes <rientjes@...gle.com>
Cc: Mel Gorman <mgorman@...e.de>
Cc: Andrew Morton <akpm@...ux-foundation.org>
Signed-off-by: Hillf Danton <dhillf@...il.com>
---

--- a/mm/vmscan.c	Thu Dec 29 20:20:16 2011
+++ b/mm/vmscan.c	Sat Jan  7 11:27:44 2012
@@ -995,7 +995,6 @@ cull_mlocked:
 			try_to_free_swap(page);
 		unlock_page(page);
 		putback_lru_page(page);
-		reset_reclaim_mode(sc);
 		continue;

 activate_locked:
--
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