From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from mail143.messagelabs.com (mail143.messagelabs.com [216.82.254.35]) by kanga.kvack.org (Postfix) with ESMTP id 6E0546B0169 for ; Wed, 3 Aug 2011 09:57:45 -0400 (EDT) Date: Wed, 3 Aug 2011 14:57:39 +0100 From: Mel Gorman Subject: Re: [PATCH 7/8] mm: vmscan: Immediately reclaim end-of-LRU dirty pages when writeback completes Message-ID: <20110803135739.GK19099@suse.de> References: <1311265730-5324-1-git-send-email-mgorman@suse.de> <1311265730-5324-8-git-send-email-mgorman@suse.de> <20110803112630.GE27199@redhat.com> MIME-Version: 1.0 Content-Type: text/plain; charset=iso-8859-15 Content-Disposition: inline In-Reply-To: <20110803112630.GE27199@redhat.com> Sender: owner-linux-mm@kvack.org List-ID: To: Johannes Weiner Cc: Linux-MM , LKML , XFS , Dave Chinner , Christoph Hellwig , Wu Fengguang , Jan Kara , Rik van Riel , Minchan Kim On Wed, Aug 03, 2011 at 01:26:30PM +0200, Johannes Weiner wrote: > On Thu, Jul 21, 2011 at 05:28:49PM +0100, Mel Gorman wrote: > > When direct reclaim encounters a dirty page, it gets recycled around > > the LRU for another cycle. This patch marks the page PageReclaim > > similar to deactivate_page() so that the page gets reclaimed almost > > immediately after the page gets cleaned. This is to avoid reclaiming > > clean pages that are younger than a dirty page encountered at the > > end of the LRU that might have been something like a use-once page. > > > > Signed-off-by: Mel Gorman > > Apart from the naming of the counter (I like nr_reclaim_preferred), > At the moment it's NR_VMSCAN_IMMEDIATE and the name visible in /proc/vmstat is nr_vmscan_immediate_reclaim > Acked-by: Johannes Weiner Thanks. -- Mel Gorman SUSE Labs -- To unsubscribe, send a message with 'unsubscribe linux-mm' in the body to majordomo@kvack.org. For more info on Linux MM, see: http://www.linux-mm.org/ . Fight unfair telecom internet charges in Canada: sign http://stopthemeter.ca/ Don't email: email@kvack.org