Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1753494Ab3DLGsl (ORCPT ); Fri, 12 Apr 2013 02:48:41 -0400 Received: from mail-la0-f51.google.com ([209.85.215.51]:62926 "EHLO mail-la0-f51.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1752087Ab3DLGsk (ORCPT ); Fri, 12 Apr 2013 02:48:40 -0400 Message-ID: <5167AE42.1040308@kernel.org> Date: Fri, 12 Apr 2013 09:48:34 +0300 From: Pekka Enberg User-Agent: Mozilla/5.0 (X11; Linux x86_64; rv:17.0) Gecko/20130219 Thunderbird/17.0.3 MIME-Version: 1.0 To: Christoph Lameter CC: Steven Rostedt , Joonsoo Kim , LKML , RT , Thomas Gleixner , Clark Williams Subject: Re: [RT LATENCY] 249 microsecond latency caused by slub's unfreeze_partials() code. References: <1364010673.6345.156.camel@gandalf.local.home> <0000013da1f93be3-c3d42ae8-ff34-4c63-8094-77a83291ea19-000000@email.amazonses.com> <1364227073.6345.182.camel@gandalf.local.home> <1364228039.6345.183.camel@gandalf.local.home> <0000013da2ace21a-9e87fe8a-75c2-4b7c-b5e1-37ad196ce012-000000@email.amazonses.com> <1364234613.6345.184.camel@gandalf.local.home> <0000013da2ce20f8-0e3a64ef-67ed-4ab4-9f20-b77980c876c3-000000@email.amazonses.com> <1364236355.6345.185.camel@gandalf.local.home> <20130327025957.GA17125@lge.com> <1364355032.6345.200.camel@gandalf.local.home> <20130327061351.GB17125@lge.com> <0000013db20ca149-0064fbb8-2f81-4323-9095-a38f6abb79c5-000000@email.amazonses.com> <1365696307.9609.36.camel@gandalf.local.home> <0000013df9f9ca28-9863f810-f95f-4a21-83cd-a7a875af69c8-000000@email.amazonses.com> In-Reply-To: <0000013df9f9ca28-9863f810-f95f-4a21-83cd-a7a875af69c8-000000@email.amazonses.com> Content-Type: text/plain; charset=ISO-8859-1; format=flowed Content-Transfer-Encoding: 7bit Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 974 Lines: 29 Hello, On 04/11/2013 07:42 PM, Christoph Lameter wrote: > On Thu, 11 Apr 2013, Steven Rostedt wrote: > >> I was wondering if you made any more forward progress with with patch >> yet. When it goes into mainline, I'd like to backport it to the -rt >> stable trees, and will probably make it enabled by default when >> PREEMPT_RT is enabled. > > Sorry I did not get around to it yet. Also waiting for Joonsoo's patch to > be merged first. Which tree may I use Pekka? https://github.com/penberg/linux/commits/slab/next and https://git.kernel.org/cgit/linux/kernel/git/penberg/linux.git/log/?h=slab/next are the same and include what I've queued for 3.10. I'm waiting for a new version of Joonsoon's patch to appear. Pekka -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/