linux-kernel - [RFC][PATCH 3/3] Pagecache reclaim

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Message-ID: <4684A523.5090600@linux.vnet.ibm.com>
Date:	Fri, 29 Jun 2007 11:52:27 +0530
From:	Vaidyanathan Srinivasan <svaidy@...ux.vnet.ibm.com>
To:	Linux Kernel <linux-kernel@...r.kernel.org>,
	Linux Containers <containers@...ts.osdl.org>,
	linux-mm <linux-mm@...ck.org>
CC:	Balbir Singh <balbir@...ibm.com>, Pavel Emelianov <xemul@...ru>,
	Paul Menage <menage@...gle.com>, Kirill Korotaev <dev@...ru>,
	devel@...nvz.org, Andrew Morton <akpm@...ux-foundation.org>,
	"Eric W. Biederman" <ebiederm@...ssion.com>,
	Herbert Poetzl <herbert@...hfloor.at>,
	Roy Huang <royhuang9@...il.com>,
	Aubrey Li <aubreylee@...il.com>,
	Peter Zijlstra <peterz@...radead.org>
Subject: [RFC][PATCH 3/3] Pagecache reclaim

Pagecache controller reclaim changes
------------------------------------

Reclaim path needs performance improvement.
For now it is minor changes to include unmapped
pages in our list of page_container.

Signed-off-by: Vaidyanathan Srinivasan <svaidy@...ux.vnet.ibm.com>
---
 mm/rss_container.c |    3 ---
 1 file changed, 3 deletions(-)

--- linux-2.6.22-rc2-mm1.orig/mm/rss_container.c
+++ linux-2.6.22-rc2-mm1/mm/rss_container.c
@@ -243,9 +243,6 @@ void container_rss_move_lists(struct pag
 	struct rss_container *rss;
 	struct page_container *pc;

-	if (!page_mapped(pg))
-		return;
-
 	pc = page_container(pg);
 	if (pc == NULL)
 		return;
-
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