Received: by 2002:a05:6a10:22f:0:0:0:0 with SMTP id 15csp2821661pxk; Sun, 20 Sep 2020 19:17:52 -0700 (PDT) X-Google-Smtp-Source: ABdhPJy0l/ZO+FEFjal9pT14mAqLVmh3OdUCLr7pAN9cpOTOfGyvVTf4DOGJC0JFOy2uqjSMpBBn X-Received: by 2002:a17:907:4037:: with SMTP id nk7mr46659538ejb.84.1600654672055; Sun, 20 Sep 2020 19:17:52 -0700 (PDT) ARC-Seal: i=1; a=rsa-sha256; t=1600654672; cv=none; d=google.com; s=arc-20160816; b=fkU2GGPm9r2nVj4yMkrqq8s18mdwC64uYlh6OI1O3fNjun/uN/u4IqKFE3fw1JjmPM 1TE53jWWUUsoLk9gZBbiQhCed8z0id7T3OQKaxdGDQAh3LlVlkigBAG0DnKhdciWLMrW 7b6Ems9my07znxSDp7PUzsayZMld3wQ2cfSsdwy7VuuYBzBnJWmzMSAnmuowyMddcOjp ApSGGff8FEdIocZFKLsfhsfPVHtst4F5etT93AMTI3cuNP8zqRyYnlRFKmu3ACQ4UqHo f7RdrU55UdV2pHjaodrxhywLUVs2mTeQVD8mRZWycV84nbb8y96JKBKzYlzKncq+bpsr ZxIQ== ARC-Message-Signature: i=1; a=rsa-sha256; c=relaxed/relaxed; d=google.com; s=arc-20160816; h=list-id:precedence:content-transfer-encoding:mime-version :references:in-reply-to:from:subject:cc:to:message-id:date; bh=NcM19f3lFK9oIN7xFWJMkorAycRA9uR6juzHkRUQc8Q=; b=WBT3RnaDQMdCKaCyN4BNfXHoCuKy1UJjA08r8FdpIUu2g8c+1Ggw095eYZ+NW72sbr DsAvlY3lJtGebNjUBK+7Ihr4cphj257s3J8YHYtfmQPtDe+sXfiXIP/cicg9HG5ZU8Mo flJRhi41AFb9SXdwjJThradeXA8t4PghFIImEEZsXCyqBYoS2YL3r9KTm9Ggw1jHHjvA XtCs3flghly2tAJAGl3fSRdzlx/7fVej05fsfxld7CxBignPa6OUNOiM4Pw3xMMAcu1V kujmVba54Ow0A8XPwiqAidaGV7VcoRrkAMlt/QgxpYEuAl+SnYvqjE37PZOWxKlqWQ3F PVVQ== ARC-Authentication-Results: i=1; mx.google.com; spf=pass (google.com: domain of linux-kernel-owner@vger.kernel.org designates 23.128.96.18 as permitted sender) smtp.mailfrom=linux-kernel-owner@vger.kernel.org Return-Path: Received: from vger.kernel.org (vger.kernel.org. [23.128.96.18]) by mx.google.com with ESMTP id a3si7672999ejx.587.2020.09.20.19.17.28; Sun, 20 Sep 2020 19:17:52 -0700 (PDT) Received-SPF: pass (google.com: domain of linux-kernel-owner@vger.kernel.org designates 23.128.96.18 as permitted sender) client-ip=23.128.96.18; Authentication-Results: mx.google.com; spf=pass (google.com: domain of linux-kernel-owner@vger.kernel.org designates 23.128.96.18 as permitted sender) smtp.mailfrom=linux-kernel-owner@vger.kernel.org Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1726413AbgIUCJb (ORCPT + 99 others); Sun, 20 Sep 2020 22:09:31 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:40136 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1726184AbgIUCJb (ORCPT ); Sun, 20 Sep 2020 22:09:31 -0400 Received: from shards.monkeyblade.net (shards.monkeyblade.net [IPv6:2620:137:e000::1:9]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 193AAC061755; Sun, 20 Sep 2020 19:09:31 -0700 (PDT) Received: from localhost (unknown [IPv6:2601:601:9f00:477::3d5]) (using TLSv1 with cipher AES256-SHA (256/256 bits)) (Client did not present a certificate) (Authenticated sender: davem-davemloft) by shards.monkeyblade.net (Postfix) with ESMTPSA id 278AC13D74AB1; Sun, 20 Sep 2020 18:52:43 -0700 (PDT) Date: Sun, 20 Sep 2020 19:09:29 -0700 (PDT) Message-Id: <20200920.190929.1753681394804258381.davem@davemloft.net> To: Julia.Lawall@inria.fr Cc: ioana.ciornei@nxp.com, kernel-janitors@vger.kernel.org, ruxandra.radulescu@nxp.com, kuba@kernel.org, netdev@vger.kernel.org, linux-kernel@vger.kernel.org Subject: Re: [PATCH 03/14] dpaa2-eth: drop double zeroing From: David Miller In-Reply-To: <1600601186-7420-4-git-send-email-Julia.Lawall@inria.fr> References: <1600601186-7420-1-git-send-email-Julia.Lawall@inria.fr> <1600601186-7420-4-git-send-email-Julia.Lawall@inria.fr> X-Mailer: Mew version 6.8 on Emacs 27.1 Mime-Version: 1.0 Content-Type: Text/Plain; charset=us-ascii Content-Transfer-Encoding: 7bit X-Greylist: Sender succeeded SMTP AUTH, not delayed by milter-greylist-4.5.12 (shards.monkeyblade.net [2620:137:e000::1:9]); Sun, 20 Sep 2020 18:52:43 -0700 (PDT) Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org From: Julia Lawall Date: Sun, 20 Sep 2020 13:26:15 +0200 > sg_init_table zeroes its first argument, so the allocation of that argument > doesn't have to. > > the semantic patch that makes this change is as follows: > (http://coccinelle.lip6.fr/) > > // > @@ > expression x,n,flags; > @@ > > x = > - kcalloc > + kmalloc_array > (n,sizeof(struct scatterlist),flags) > ... > sg_init_table(x,n) > // > > Signed-off-by: Julia Lawall Applied.