From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from mail203.messagelabs.com (mail203.messagelabs.com [216.82.254.243]) by kanga.kvack.org (Postfix) with ESMTP id DF6A06B006E for ; Wed, 2 Nov 2011 12:36:08 -0400 (EDT) Date: Wed, 2 Nov 2011 17:35:27 +0100 From: Johannes Weiner Subject: Re: [PATCH 1/2] vmscan: promote shared file mapped pages Message-ID: <20111102163527.GK19965@cmpxchg.org> References: <20110808110658.31053.55013.stgit@localhost6> <4E3FD403.6000400@parallels.com> <20111102163056.GG19965@redhat.com> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <20111102163056.GG19965@redhat.com> Sender: owner-linux-mm@kvack.org List-ID: To: Johannes Weiner Cc: Konstantin Khlebnikov , Pekka Enberg , "linux-mm@kvack.org" , Andrew Morton , "linux-kernel@vger.kernel.org" , Wu Fengguang , KAMEZAWA Hiroyuki , Rik van Riel , Mel Gorman , Minchan Kim , Gene Heskett On Wed, Nov 02, 2011 at 05:30:56PM +0100, Johannes Weiner wrote: > Tipping the balance for inactive list rotation has been there from the > beginning, but I don't quite understand why. It probably was not a > problem as the conditions for inactive cycling applied to both file > and anon equally, but with used-once detection for file and deferred > file writeback from direct reclaim, we tend to cycle more file pages > on the inactive list than anonymous ones. Those rotated pages should > be a signal to favor file reclaim, though. [...] should NOT be a signal [...] obviously. Sorry. -- 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