From mboxrd@z Thu Jan 1 00:00:00 1970 From: Glauber Costa Subject: Re: [PATCH v3 08/16] slab: allow enable_cpu_cache to use preset values for its tunables Date: Wed, 19 Sep 2012 11:44:24 +0400 Message-ID: <505977D8.7050005@parallels.com> References: <1347977530-29755-1-git-send-email-glommer@parallels.com> <1347977530-29755-9-git-send-email-glommer@parallels.com> <00000139d9fc4ccc-d0904b9b-5bbf-4cf6-9325-013f16f11745-000000@email.amazonses.com> Mime-Version: 1.0 Content-Transfer-Encoding: 7bit Return-path: In-Reply-To: <00000139d9fc4ccc-d0904b9b-5bbf-4cf6-9325-013f16f11745-000000-p/GC64/jrecnJqMo6gzdpkEOCMrvLtNR@public.gmane.org> Sender: cgroups-owner-u79uwXL29TY76Z2rM5mHXA@public.gmane.org List-ID: Content-Type: text/plain; charset="us-ascii" To: Christoph Lameter Cc: linux-kernel-u79uwXL29TY76Z2rM5mHXA@public.gmane.org, cgroups-u79uwXL29TY76Z2rM5mHXA@public.gmane.org, kamezawa.hiroyu-+CUm20s59erQFUHtdCDX3A@public.gmane.org, devel-GEFAQzZX7r8dnm+yROfE0A@public.gmane.org, Tejun Heo , linux-mm-Bw31MaZKKs3YtjvyW6yDsg@public.gmane.org, Suleiman Souhlal , Frederic Weisbecker , Mel Gorman , David Rientjes , Pekka Enberg , Michal Hocko , Johannes Weiner On 09/18/2012 07:25 PM, Christoph Lameter wrote: > On Tue, 18 Sep 2012, Glauber Costa wrote: > >> SLAB allows us to tune a particular cache behavior with tunables. >> When creating a new memcg cache copy, we'd like to preserve any tunables >> the parent cache already had. > > Again the same is true for SLUB. Some generic way of preserving tuning > parameters would be appreciated. So you would like me to extend "slub: slub-specific propagation changes" to also allow for pre-set values, right? From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from psmtp.com (na3sys010amx121.postini.com [74.125.245.121]) by kanga.kvack.org (Postfix) with SMTP id 1B3F56B006C for ; Wed, 19 Sep 2012 03:49:25 -0400 (EDT) Message-ID: <505977D8.7050005@parallels.com> Date: Wed, 19 Sep 2012 11:44:24 +0400 From: Glauber Costa MIME-Version: 1.0 Subject: Re: [PATCH v3 08/16] slab: allow enable_cpu_cache to use preset values for its tunables References: <1347977530-29755-1-git-send-email-glommer@parallels.com> <1347977530-29755-9-git-send-email-glommer@parallels.com> <00000139d9fc4ccc-d0904b9b-5bbf-4cf6-9325-013f16f11745-000000@email.amazonses.com> In-Reply-To: <00000139d9fc4ccc-d0904b9b-5bbf-4cf6-9325-013f16f11745-000000@email.amazonses.com> Content-Type: text/plain; charset="ISO-8859-1" Content-Transfer-Encoding: 7bit Sender: owner-linux-mm@kvack.org List-ID: To: Christoph Lameter Cc: linux-kernel@vger.kernel.org, cgroups@vger.kernel.org, kamezawa.hiroyu@jp.fujitsu.com, devel@openvz.org, Tejun Heo , linux-mm@kvack.org, Suleiman Souhlal , Frederic Weisbecker , Mel Gorman , David Rientjes , Pekka Enberg , Michal Hocko , Johannes Weiner On 09/18/2012 07:25 PM, Christoph Lameter wrote: > On Tue, 18 Sep 2012, Glauber Costa wrote: > >> SLAB allows us to tune a particular cache behavior with tunables. >> When creating a new memcg cache copy, we'd like to preserve any tunables >> the parent cache already had. > > Again the same is true for SLUB. Some generic way of preserving tuning > parameters would be appreciated. So you would like me to extend "slub: slub-specific propagation changes" to also allow for pre-set values, right? -- 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 From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1752539Ab2ISHtW (ORCPT ); Wed, 19 Sep 2012 03:49:22 -0400 Received: from mx2.parallels.com ([64.131.90.16]:47467 "EHLO mx2.parallels.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1751687Ab2ISHtU (ORCPT ); Wed, 19 Sep 2012 03:49:20 -0400 Message-ID: <505977D8.7050005@parallels.com> Date: Wed, 19 Sep 2012 11:44:24 +0400 From: Glauber Costa User-Agent: Mozilla/5.0 (X11; Linux x86_64; rv:15.0) Gecko/20120828 Thunderbird/15.0 MIME-Version: 1.0 To: Christoph Lameter CC: , , , , Tejun Heo , , Suleiman Souhlal , Frederic Weisbecker , Mel Gorman , David Rientjes , Pekka Enberg , Michal Hocko , Johannes Weiner Subject: Re: [PATCH v3 08/16] slab: allow enable_cpu_cache to use preset values for its tunables References: <1347977530-29755-1-git-send-email-glommer@parallels.com> <1347977530-29755-9-git-send-email-glommer@parallels.com> <00000139d9fc4ccc-d0904b9b-5bbf-4cf6-9325-013f16f11745-000000@email.amazonses.com> In-Reply-To: <00000139d9fc4ccc-d0904b9b-5bbf-4cf6-9325-013f16f11745-000000@email.amazonses.com> Content-Type: text/plain; charset="ISO-8859-1" Content-Transfer-Encoding: 7bit Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On 09/18/2012 07:25 PM, Christoph Lameter wrote: > On Tue, 18 Sep 2012, Glauber Costa wrote: > >> SLAB allows us to tune a particular cache behavior with tunables. >> When creating a new memcg cache copy, we'd like to preserve any tunables >> the parent cache already had. > > Again the same is true for SLUB. Some generic way of preserving tuning > parameters would be appreciated. So you would like me to extend "slub: slub-specific propagation changes" to also allow for pre-set values, right?