From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from psmtp.com (na3sys010amx170.postini.com [74.125.245.170]) by kanga.kvack.org (Postfix) with SMTP id 091B66B0070 for ; Wed, 4 Jul 2012 11:26:24 -0400 (EDT) Received: by eekb47 with SMTP id b47so3646215eek.14 for ; Wed, 04 Jul 2012 08:26:23 -0700 (PDT) Subject: Re: [PATCH 1/3 v2] slub: prefetch next freelist pointer in __slab_alloc() From: Eric Dumazet In-Reply-To: References: <1340389359-2407-1-git-send-email-js1304@gmail.com> <1340390729-2821-1-git-send-email-js1304@gmail.com> Content-Type: text/plain; charset="UTF-8" Date: Wed, 04 Jul 2012 17:26:19 +0200 Message-ID: <1341415579.2583.2134.camel@edumazet-glaptop> Mime-Version: 1.0 Content-Transfer-Encoding: 7bit Sender: owner-linux-mm@kvack.org List-ID: To: Pekka Enberg Cc: JoonSoo Kim , Christoph Lameter , linux-kernel@vger.kernel.org, linux-mm@kvack.org, David Rientjes On Wed, 2012-07-04 at 18:08 +0300, Pekka Enberg wrote: > That doesn't seem like that obvious win to me... Eric, Christoph? Its the slow path. I am not convinced its useful on real workloads (not a benchmark) I mean, if a workload hits badly slow path, some more important work should be done to avoid this at a higher level. -- 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