From: Eric Sandeen Subject: Re: [PATCH] use percpu data for lg_prealloc_list Date: Mon, 18 Aug 2008 11:07:57 -0500 Message-ID: <48A99E5D.2020309@redhat.com> References: <48A331FA.6070602@redhat.com> <48A9999C.6070609@redhat.com> <20080818155650.GA6491@skywalker> Mime-Version: 1.0 Content-Type: text/plain; charset=ISO-8859-1 Content-Transfer-Encoding: 7bit Cc: ext4 development To: "Aneesh Kumar K.V" Return-path: Received: from mx2.redhat.com ([66.187.237.31]:58131 "EHLO mx2.redhat.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1751102AbYHRQLF (ORCPT ); Mon, 18 Aug 2008 12:11:05 -0400 In-Reply-To: <20080818155650.GA6491@skywalker> Sender: linux-ext4-owner@vger.kernel.org List-ID: Aneesh Kumar K.V wrote: > On Mon, Aug 18, 2008 at 10:47:40AM -0500, Eric Sandeen wrote: >> Eric Sandeen wrote: >>> lg_prealloc_list seems to cry out for a per-cpu data structure; on a large >>> smp system I think this should be better. I've lightly tested this change >>> on a 4-cpu system. Comments welcome... >> Any thoughts on this? Does this seem to be the right way to go? >> > > Acked-by: Aneesh Kumar K.V Thanks :) I'll toss it in the patch queue. -Eric