Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1753879Ab3HVR6W (ORCPT ); Thu, 22 Aug 2013 13:58:22 -0400 Received: from a9-58.smtp-out.amazonses.com ([54.240.9.58]:55883 "EHLO a9-58.smtp-out.amazonses.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1753016Ab3HVR6V (ORCPT ); Thu, 22 Aug 2013 13:58:21 -0400 X-Greylist: delayed 320 seconds by postgrey-1.27 at vger.kernel.org; Thu, 22 Aug 2013 13:58:21 EDT Date: Thu, 22 Aug 2013 17:53:00 +0000 From: Christoph Lameter X-X-Sender: cl@gentwo.org To: Joonsoo Kim cc: Pekka Enberg , Andrew Morton , Joonsoo Kim , David Rientjes , linux-mm@kvack.org, linux-kernel@vger.kernel.org Subject: Re: [PATCH 05/16] slab: remove cachep in struct slab_rcu In-Reply-To: <1377161065-30552-6-git-send-email-iamjoonsoo.kim@lge.com> Message-ID: <00000140a72870a6-f7c87696-ecbc-432c-9f41-93f414c0c623-000000@email.amazonses.com> References: <1377161065-30552-1-git-send-email-iamjoonsoo.kim@lge.com> <1377161065-30552-6-git-send-email-iamjoonsoo.kim@lge.com> User-Agent: Alpine 2.02 (DEB 1266 2009-07-14) MIME-Version: 1.0 Content-Type: TEXT/PLAIN; charset=US-ASCII X-SES-Outgoing: 2013.08.22-54.240.9.58 Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 446 Lines: 11 On Thu, 22 Aug 2013, Joonsoo Kim wrote: > We can get cachep using page in struct slab_rcu, so remove it. Ok but this means that we need to touch struct page. Additional cacheline in cache footprint. -- 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/