From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from mail144.messagelabs.com (mail144.messagelabs.com [216.82.254.51]) by kanga.kvack.org (Postfix) with ESMTP id 4E5656B0024 for ; Sat, 14 May 2011 13:43:37 -0400 (EDT) Date: Sat, 14 May 2011 19:43:33 +0200 From: Andi Kleen Subject: Re: Kernel falls apart under light memory pressure (i.e. linking vmlinux) Message-ID: <20110514174333.GW6008@one.firstfloor.org> References: <20110512054631.GI6008@one.firstfloor.org> <20110514165346.GV6008@one.firstfloor.org> Mime-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: Sender: owner-linux-mm@kvack.org List-ID: To: Minchan Kim Cc: linux-mm@kvack.org Copying back linux-mm. > Recently, we added following patch. > https://lkml.org/lkml/2011/4/26/129 > If it's a culprit, the patch should solve the problem. It would be probably better to not do the allocations at all under memory pressure. Even if the RA allocation doesn't go into reclaim it may still "steal" allocations recently freed and needed by other actors. -Andi -- ak@linux.intel.com -- Speaking for myself only. -- 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