From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from mail190.messagelabs.com (mail190.messagelabs.com [216.82.249.51]) by kanga.kvack.org (Postfix) with SMTP id 7B6246B01F1 for ; Wed, 18 Aug 2010 10:38:55 -0400 (EDT) Date: Wed, 18 Aug 2010 22:38:01 +0800 From: Wu Fengguang Subject: Re: Over-eager swapping Message-ID: <20100818143801.GA9086@localhost> References: <20100803033108.GA23117@arachsys.com> <20100803042835.GA17377@localhost> <20100803214945.GA2326@arachsys.com> <20100804022148.GA5922@localhost> <20100804032400.GA14141@localhost> <20100804095811.GC2326@arachsys.com> <20100804114933.GA13527@localhost> <20100804120430.GB23551@arachsys.com> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <20100804120430.GB23551@arachsys.com> Sender: owner-linux-mm@kvack.org To: Chris Webb Cc: Minchan Kim , "linux-mm@kvack.org" , "linux-kernel@vger.kernel.org" , KOSAKI Motohiro , Pekka Enberg List-ID: Chris, Did you enable any NUMA policy? That could start swapping even if there are lots of free pages in some nodes. Are your free pages equally distributed over the nodes? Or limited to some of the nodes? Try this command: grep MemFree /sys/devices/system/node/node*/meminfo Thanks, Fengguang -- 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