Received: by 2002:a05:6a10:22f:0:0:0:0 with SMTP id 15csp2822824pxk; Sun, 20 Sep 2020 19:21:36 -0700 (PDT) X-Google-Smtp-Source: ABdhPJxje+HxkvwQHYRmTotOvQ79fvgTcFIcf+WpUiKtymSK6sEXoLVkbVDzSd3mrmRW1CziJp87 X-Received: by 2002:a17:906:3913:: with SMTP id f19mr50164661eje.83.1600654896193; Sun, 20 Sep 2020 19:21:36 -0700 (PDT) ARC-Seal: i=1; a=rsa-sha256; t=1600654896; cv=none; d=google.com; s=arc-20160816; b=A9Kqal3/63sS4IKEV2p8Pt4SWlpe0at1L0R25006CLk/jcL/Dk2Um/H1312NgD6sOM n4/7vYqbZxKaEjB5FVlpXJ58/wnAm1qcW0Ta13CIeVBdgJZ7Q/TY5RzXFuUa74kSij7y cG8E/Btw0k3enqqHa7tXoXCBZf6a1W1yRVK7rhahFQ2kAFbgYgq5r29t5/ZxLyUPN2vW jJ5O9MY9TFBrRHJNMvaaRDWHcZnZF4tkZuRykMZOb4gWVJw8S0wc97PgNtta2pAZPSGS VPVhLXSp6uOn+SrUf4pwjeOmNLafY0iy4RL5yt0PNDpGgMGVQ8LEXFehHRTrcWxkTrRw cUEQ== 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=VRz3pBWNlFgK3bwehPw06NhHd1uR/goBeJbs/oFOCwQ=; b=KS8lYTvXVnb6D2a8QuS/69LEH70I6zwtYdZfSqZCtR+r4LY7PTrvqQ45Hhr4N3E7Eo Enw7GxAN2IQninGLOwnOA3u0/mk308DZU9HOHqIY6Wyvbi0BniqzSkkviL+TXok/eFTM 2gNNf4laPVX5pNCTKMACVZX2apK7tG/Oyq/PYfOX35CNhx98nN3kuMORDv239BPz2Tzu eFXtV5yLbLeSO7jlGqHka7XVBXK7RCSFbFJMlANeqX4oL52gS8V9JZYe6cEpPII7+GIJ t+aNrXEZottbXwfQD4j3NYileN2IoPQiBkVnh0hloAcRKOwHxOlZ2R5LcB/XNC1eiWBH rOYA== 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 c24si7418910eja.263.2020.09.20.19.21.12; Sun, 20 Sep 2020 19:21:36 -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 S1726471AbgIUCJh (ORCPT + 99 others); Sun, 20 Sep 2020 22:09:37 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:40152 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1726184AbgIUCJh (ORCPT ); Sun, 20 Sep 2020 22:09:37 -0400 Received: from shards.monkeyblade.net (shards.monkeyblade.net [IPv6:2620:137:e000::1:9]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 213EBC061755; Sun, 20 Sep 2020 19:09:37 -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 519C013D74AB2; Sun, 20 Sep 2020 18:52:49 -0700 (PDT) Date: Sun, 20 Sep 2020 19:09:36 -0700 (PDT) Message-Id: <20200920.190936.692148593394247602.davem@davemloft.net> To: Julia.Lawall@inria.fr Cc: santosh.shilimkar@oracle.com, kernel-janitors@vger.kernel.org, kuba@kernel.org, netdev@vger.kernel.org, linux-rdma@vger.kernel.org, rds-devel@oss.oracle.com, linux-kernel@vger.kernel.org Subject: Re: [PATCH 07/14] RDS: drop double zeroing From: David Miller In-Reply-To: <1600601186-7420-8-git-send-email-Julia.Lawall@inria.fr> References: <1600601186-7420-1-git-send-email-Julia.Lawall@inria.fr> <1600601186-7420-8-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 18:52:49 -0700 (PDT) Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org From: Julia Lawall Date: Sun, 20 Sep 2020 13:26:19 +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(*x),flags) > ... > sg_init_table(x,n) > // > > Signed-off-by: Julia Lawall Applied.