From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1754320Ab2A3QPY (ORCPT ); Mon, 30 Jan 2012 11:15:24 -0500 Received: from smtp104.prem.mail.ac4.yahoo.com ([76.13.13.43]:48453 "HELO smtp104.prem.mail.ac4.yahoo.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with SMTP id S1753903Ab2A3QPW (ORCPT ); Mon, 30 Jan 2012 11:15:22 -0500 X-Yahoo-Newman-Property: ymail-3 X-YMail-OSG: BMtuoVMVM1lqMfcd0fQ15XRRu.OaSromMNvL.doO4v5EHVC _I_8V4dQsY1ME1Z4hRGNH4GTp1_nSEGAYJcRWUrZUFKUAbRfhOSsMAOMuNhw jDLqddSDWnZo7iD3FDk7MtoEc8IpJMX7moLes6TpfLcd00Npnl8pzFP5JMna J7cXwq.phKmDfoecb.Ql2x3axEsiEREwleL8UPdVC8uih2e6gq1dViIfABEZ 9z2PYInaWs_XUopju.JH.ev074lOZk3tR6XC79nwTr4askAvaBqZe.sA4I8K Ec868KFha8ghsWFn5hzQVPBxLoS.BRNLl2T2dpDyFUhBAScEvU1FB.2u06ts j5EbT9WcV7QM7L_Q.pQLrIBnMPrdAv3uvlBS0ZTMj44VrYCoyw3Bsucy8qtR _VQxBzwnGRH0A8z7m9jS3AV5qt_QQv3lCrdFHBdKZ X-Yahoo-SMTP: _Dag8S.swBC1p4FJKLCXbs8NQzyse1SYSgnAbY0- Date: Mon, 30 Jan 2012 10:15:18 -0600 (CST) From: Christoph Lameter X-X-Sender: cl@router.home To: Dmitry Antipov cc: Tejun Heo , Rusty Russell , linux-mm@kvack.org, linux-kernel@vger.kernel.org, patches@linaro.org, linaro-dev@lists.linaro.org Subject: Re: [PATCH 1/3] percpu: use ZERO_SIZE_PTR / ZERO_OR_NULL_PTR In-Reply-To: <1327912654-8738-1-git-send-email-dmitry.antipov@linaro.org> Message-ID: References: <1327912654-8738-1-git-send-email-dmitry.antipov@linaro.org> User-Agent: Alpine 2.00 (DEB 1167 2008-08-23) MIME-Version: 1.0 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 Mon, 30 Jan 2012, Dmitry Antipov wrote: > Fix pcpu_alloc() to return ZERO_SIZE_PTR if requested size is 0; > fix free_percpu() to check passed pointer with ZERO_OR_NULL_PTR. Acked-by: Christoph Lameter