Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1752290AbaBNSqT (ORCPT ); Fri, 14 Feb 2014 13:46:19 -0500 Received: from qmta14.emeryville.ca.mail.comcast.net ([76.96.27.212]:45427 "EHLO qmta14.emeryville.ca.mail.comcast.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1751460AbaBNSqS (ORCPT ); Fri, 14 Feb 2014 13:46:18 -0500 Date: Fri, 14 Feb 2014 12:46:16 -0600 (CST) From: Christoph Lameter X-X-Sender: cl@nuc To: Joonsoo Kim cc: Pekka Enberg , Andrew Morton , David Rientjes , Wanpeng Li , linux-mm@kvack.org, linux-kernel@vger.kernel.org, Joonsoo Kim Subject: Re: [PATCH 6/9] slab: introduce alien_cache In-Reply-To: <1392361043-22420-7-git-send-email-iamjoonsoo.kim@lge.com> Message-ID: References: <1392361043-22420-1-git-send-email-iamjoonsoo.kim@lge.com> <1392361043-22420-7-git-send-email-iamjoonsoo.kim@lge.com> Content-Type: TEXT/PLAIN; charset=US-ASCII Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On Fri, 14 Feb 2014, Joonsoo Kim wrote: > Currently, we use array_cache for alien_cache. Although they are mostly > similar, there is one difference, that is, need for spinlock. > We don't need spinlock for array_cache itself, but to use array_cache for > alien_cache, array_cache structure should have spinlock. This is needless > overhead, so removing it would be better. This patch prepare it by > introducing alien_cache and using it. In the following patch, > we remove spinlock in array_cache. Acked-by: Christoph Lameter -- 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/