Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1758866Ab3CYSAw (ORCPT ); Mon, 25 Mar 2013 14:00:52 -0400 Received: from b232-131.smtp-out.amazonses.com ([199.127.232.131]:31125 "EHLO b232-131.smtp-out.amazonses.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1758299Ab3CYSAv (ORCPT ); Mon, 25 Mar 2013 14:00:51 -0400 X-Greylist: delayed 578 seconds by postgrey-1.27 at vger.kernel.org; Mon, 25 Mar 2013 14:00:51 EDT Date: Mon, 25 Mar 2013 17:51:11 +0000 From: Christoph Lameter X-X-Sender: cl@gentwo.org To: Steven Rostedt cc: LKML , RT , Thomas Gleixner , Clark Williams Subject: Re: [RT LATENCY] 249 microsecond latency caused by slub's unfreeze_partials() code. In-Reply-To: <1364228039.6345.183.camel@gandalf.local.home> Message-ID: <0000013da2ace21a-9e87fe8a-75c2-4b7c-b5e1-37ad196ce012-000000@email.amazonses.com> References: <1363906545.6345.81.camel@gandalf.local.home> <0000013d92c37ff3-5fb85400-bec1-4eda-8ba1-332566884c59-000000@email.amazonses.com> <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> User-Agent: Alpine 2.02 (DEB 1266 2009-07-14) MIME-Version: 1.0 Content-Type: TEXT/PLAIN; charset=US-ASCII X-SES-Outgoing: 199.127.232.131 Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 448 Lines: 13 On Mon, 25 Mar 2013, Steven Rostedt wrote: > BTW, what impact does setting all cpu_partial files to zero have on the > system? Slight slowdown in kfree since the frees are less likely to be batched. -- 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/