From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1752719Ab1GTRmE (ORCPT ); Wed, 20 Jul 2011 13:42:04 -0400 Received: from mail-ey0-f171.google.com ([209.85.215.171]:45648 "EHLO mail-ey0-f171.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1751906Ab1GTRmB (ORCPT ); Wed, 20 Jul 2011 13:42:01 -0400 Date: Wed, 20 Jul 2011 20:41:12 +0300 (EEST) From: Pekka Enberg X-X-Sender: penberg@tiger To: Christoph Lameter cc: Eric Dumazet , Mel Gorman , Konstantin Khlebnikov , Andrew Morton , linux-mm@kvack.org, linux-kernel@vger.kernel.org, Matt Mackall Subject: Re: [PATCH] mm-slab: allocate kmem_cache with __GFP_REPEAT In-Reply-To: Message-ID: References: <20110720121612.28888.38970.stgit@localhost6> <20110720134342.GK5349@suse.de> <1311170893.2338.29.camel@edumazet-HP-Compaq-6005-Pro-SFF-PC> <1311174562.2338.42.camel@edumazet-HP-Compaq-6005-Pro-SFF-PC> <1311177362.2338.57.camel@edumazet-HP-Compaq-6005-Pro-SFF-PC> <1311179465.2338.62.camel@edumazet-HP-Compaq-6005-Pro-SFF-PC> <1311181463.2338.72.camel@edumazet-HP-Compaq-6005-Pro-SFF-PC> User-Agent: Alpine 2.00 (DEB 1167 2008-08-23) MIME-Version: 1.0 Content-Type: TEXT/PLAIN; charset=US-ASCII; format=flowed Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On Wed, 20 Jul 2011, Pekka Enberg wrote: >> On Wed, 20 Jul 2011, Eric Dumazet wrote: >>>> [PATCH v2] slab: shrinks sizeof(struct kmem_cache) >> >> On Wed, 20 Jul 2011, Christoph Lameter wrote: >>> This will solve the issue for small nr_cpu_ids but those with 4k cpus will >>> still have the issue. >>> >>> Acked-by: Christoph Lameter >> >> Applied, thanks! Do we still want the __GFP_REPEAT patch from Konstantin >> though? On Wed, 20 Jul 2011, Christoph Lameter wrote: > Those with 4k cpus will be thankful I guess. OTOH, I'm slightly worried that it might mask a real problem with GFP_KERNEL not being aggressive enough. Mel? Pekka 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 DCCB56B004A for ; Wed, 20 Jul 2011 13:42:03 -0400 (EDT) Received: by eyg7 with SMTP id 7so1507094eyg.41 for ; Wed, 20 Jul 2011 10:42:00 -0700 (PDT) Date: Wed, 20 Jul 2011 20:41:12 +0300 (EEST) From: Pekka Enberg Subject: Re: [PATCH] mm-slab: allocate kmem_cache with __GFP_REPEAT In-Reply-To: Message-ID: References: <20110720121612.28888.38970.stgit@localhost6> <20110720134342.GK5349@suse.de> <1311170893.2338.29.camel@edumazet-HP-Compaq-6005-Pro-SFF-PC> <1311174562.2338.42.camel@edumazet-HP-Compaq-6005-Pro-SFF-PC> <1311177362.2338.57.camel@edumazet-HP-Compaq-6005-Pro-SFF-PC> <1311179465.2338.62.camel@edumazet-HP-Compaq-6005-Pro-SFF-PC> <1311181463.2338.72.camel@edumazet-HP-Compaq-6005-Pro-SFF-PC> MIME-Version: 1.0 Content-Type: TEXT/PLAIN; charset=US-ASCII; format=flowed Sender: owner-linux-mm@kvack.org List-ID: To: Christoph Lameter Cc: Eric Dumazet , Mel Gorman , Konstantin Khlebnikov , Andrew Morton , linux-mm@kvack.org, linux-kernel@vger.kernel.org, Matt Mackall On Wed, 20 Jul 2011, Pekka Enberg wrote: >> On Wed, 20 Jul 2011, Eric Dumazet wrote: >>>> [PATCH v2] slab: shrinks sizeof(struct kmem_cache) >> >> On Wed, 20 Jul 2011, Christoph Lameter wrote: >>> This will solve the issue for small nr_cpu_ids but those with 4k cpus will >>> still have the issue. >>> >>> Acked-by: Christoph Lameter >> >> Applied, thanks! Do we still want the __GFP_REPEAT patch from Konstantin >> though? On Wed, 20 Jul 2011, Christoph Lameter wrote: > Those with 4k cpus will be thankful I guess. OTOH, I'm slightly worried that it might mask a real problem with GFP_KERNEL not being aggressive enough. Mel? Pekka -- 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