From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from mail191.messagelabs.com (mail191.messagelabs.com [216.82.242.19]) by kanga.kvack.org (Postfix) with SMTP id 526BA6B004D for ; Mon, 8 Jun 2009 09:36:53 -0400 (EDT) Received: from localhost (smtp.ultrahosting.com [127.0.0.1]) by smtp.ultrahosting.com (Postfix) with ESMTP id 01A7C82C43C for ; Mon, 8 Jun 2009 11:11:30 -0400 (EDT) Received: from smtp.ultrahosting.com ([74.213.175.254]) by localhost (smtp.ultrahosting.com [127.0.0.1]) (amavisd-new, port 10024) with ESMTP id u9KSEtkE63OS for ; Mon, 8 Jun 2009 11:11:29 -0400 (EDT) Received: from gentwo.org (unknown [74.213.171.31]) by smtp.ultrahosting.com (Postfix) with ESMTP id 9B1D482C43F for ; Mon, 8 Jun 2009 11:11:23 -0400 (EDT) Date: Mon, 8 Jun 2009 10:55:55 -0400 (EDT) From: Christoph Lameter Subject: Re: [PATCH 1/3] Reintroduce zone_reclaim_interval for when zone_reclaim() scans and fails to avoid CPU spinning at 100% on NUMA In-Reply-To: <20090608143857.GG15070@csn.ul.ie> Message-ID: References: <1244466090-10711-1-git-send-email-mel@csn.ul.ie> <1244466090-10711-2-git-send-email-mel@csn.ul.ie> <4A2D129D.3020309@redhat.com> <20090608135433.GD15070@csn.ul.ie> <20090608143857.GG15070@csn.ul.ie> MIME-Version: 1.0 Content-Type: TEXT/PLAIN; charset=US-ASCII Sender: owner-linux-mm@kvack.org To: Mel Gorman Cc: Rik van Riel , KOSAKI Motohiro , yanmin.zhang@intel.com, Wu Fengguang , linuxram@us.ibm.com, linux-mm , LKML List-ID: On Mon, 8 Jun 2009, Mel Gorman wrote: > > The tmpfs pages are unreclaimable and therefore should not be on the anon > > lru. > > > > tmpfs pages can be swap-backed so can be reclaimable. Regardless of what > list they are on, we still need to know how many of them there are if > this patch is to be avoided. If they are reclaimable then why does it matter? They can be pushed out if you configure zone reclaim to be that aggressive. -- 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/ . Don't email: email@kvack.org