Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1755921Ab2JPTFB (ORCPT ); Tue, 16 Oct 2012 15:05:01 -0400 Received: from mail-lb0-f174.google.com ([209.85.217.174]:47173 "EHLO mail-lb0-f174.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1755889Ab2JPTE7 (ORCPT ); Tue, 16 Oct 2012 15:04:59 -0400 MIME-Version: 1.0 In-Reply-To: <0000013a6aee372f-add43c34-0cc1-4cdb-8ad1-730074b2b49b-000000@email.amazonses.com> References: <0000013a6ad64c95-106bab18-5a15-4c85-bae9-5527aa52f661-000000@email.amazonses.com> <0000013a6aee372f-add43c34-0cc1-4cdb-8ad1-730074b2b49b-000000@email.amazonses.com> Date: Tue, 16 Oct 2012 14:04:58 -0500 Message-ID: Subject: Re: Reading /proc/slabinfo causes stalls From: Avleen Vig To: Christoph Lameter Cc: David Rientjes , Pekka Enberg , linux-kernel@vger.kernel.org, Andrew Morton Content-Type: text/plain; charset=ISO-8859-1 Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 728 Lines: 19 On Tue, Oct 16, 2012 at 1:55 PM, Christoph Lameter wrote: > On Tue, 16 Oct 2012, David Rientjes wrote: > >> Or convert slab_mutex to be a rwlock? > > The RT folks just converted it to a mutex.... ;-) Damn :-) I'll play around with SLUB. There were some concerns that it doesn't perform as well as SLAB on large hardware (we're almost always running >16G RAM, and regularly >96G RAM on things like memcache servers). If the performance pans out, SLUB would be great. -- 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/