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[23.128.96.18]) by mx.google.com with ESMTP id yd22si170835ejb.546.2020.09.23.08.21.30; Wed, 23 Sep 2020 08:22:00 -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; dkim=pass header.i=@kernel-dk.20150623.gappssmtp.com header.s=20150623 header.b=UwYPfCHC; 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 S1726680AbgIWPSb (ORCPT + 99 others); Wed, 23 Sep 2020 11:18:31 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:40926 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1726603AbgIWPSa (ORCPT ); Wed, 23 Sep 2020 11:18:30 -0400 Received: from mail-pg1-x543.google.com (mail-pg1-x543.google.com [IPv6:2607:f8b0:4864:20::543]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 61B9BC0613CE for ; Wed, 23 Sep 2020 08:18:30 -0700 (PDT) Received: by mail-pg1-x543.google.com with SMTP id d13so14585098pgl.6 for ; Wed, 23 Sep 2020 08:18:30 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=kernel-dk.20150623.gappssmtp.com; s=20150623; h=subject:to:cc:references:from:message-id:date:user-agent :mime-version:in-reply-to:content-language:content-transfer-encoding; bh=nsm/SLpnI1gdm4X4OKozNS3TNzCBnlqB2Om83wtrvTM=; b=UwYPfCHCkuZSpIeCGStKHAWyo1CDDFErhXwN/nKs+DtOMuKzWm3Ru4fAVyK2uJC8qt c1kchVce3LxG5k62yYPWGhxExhYubU1CmUlYTQs+vNFL99vt1MJw8R6n85S3UwyCvQxm GohP7WvEJNxqNh7ABOo7NUNhVLiVdZIWF6rVjgqQRQSZAlj9IrtU5El4ZrugnG+jnJNS VSKqmHHY2rgXz4kgHYPDhS9Es4HiK1Icm9gmTPraFvc18zLU6JNSPy5h7SSON2ToEhBj rXI/A07vNJ4Fe0k24pgT3/8KclQsNFK1HEPN24YeSopnBbytHL3kp3YFTw7dulvBdWSN SBYA== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20161025; h=x-gm-message-state:subject:to:cc:references:from:message-id:date :user-agent:mime-version:in-reply-to:content-language :content-transfer-encoding; bh=nsm/SLpnI1gdm4X4OKozNS3TNzCBnlqB2Om83wtrvTM=; b=o3TfjrXcgdtZcF7sP5+0lr5KqQumgbQvg7WqaJzn5JnpoR86m+JzyalTFxnzBNprGX Fw5klb4cKaKrZSOm3zCcf6HElC/P/lZDJ6tolb1KMtAJIXSTpcDkbxFeKt97+x30OFRF WNecJrd32IKN5zXpFmEdZeBg9kssiOV8gD1bXSjgrZxCFw94HUC9ZYNBEpFxJe6EBLh1 t35ZOPsIZLLvpF4+Pkk1RwFA88uGs35DweOi9+FTSy7VvO2viJPsGZW09n0eg2a/yi7E 8yBdeN4qzU/0BtXHUvdOSuT2/hqlw8lMlIH2gtwXDRrtw1X9rQPUA8HYn7POFSHUlVqt pm0g== X-Gm-Message-State: AOAM531vvOLfxVGDTsy2JsQXy9JCPQ4l1t/QJ4tOpPeINyXfdIC817U2 G/HV57+g9rY3XS67FiEAbXae34OwQhkOiA== X-Received: by 2002:a63:580c:: with SMTP id m12mr188720pgb.99.1600874309643; Wed, 23 Sep 2020 08:18:29 -0700 (PDT) Received: from [192.168.1.30] ([65.144.74.34]) by smtp.gmail.com with ESMTPSA id 22sm288302pgh.18.2020.09.23.08.18.28 (version=TLS1_3 cipher=TLS_AES_128_GCM_SHA256 bits=128/128); Wed, 23 Sep 2020 08:18:29 -0700 (PDT) Subject: Re: [PATCH 06/14] block: drop double zeroing To: Julia Lawall Cc: kernel-janitors@vger.kernel.org, linux-block@vger.kernel.org, linux-kernel@vger.kernel.org References: <1600601186-7420-1-git-send-email-Julia.Lawall@inria.fr> <1600601186-7420-7-git-send-email-Julia.Lawall@inria.fr> From: Jens Axboe Message-ID: Date: Wed, 23 Sep 2020 09:18:28 -0600 User-Agent: Mozilla/5.0 (X11; Linux x86_64; rv:68.0) Gecko/20100101 Thunderbird/68.10.0 MIME-Version: 1.0 In-Reply-To: <1600601186-7420-7-git-send-email-Julia.Lawall@inria.fr> Content-Type: text/plain; charset=utf-8 Content-Language: en-US Content-Transfer-Encoding: 7bit Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On 9/20/20 5:26 AM, Julia Lawall wrote: > 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; > @@ > > x = > - kzalloc > + kmalloc > (...) > ... > sg_init_table(x,...) > // Applied for 5.10, thanks. -- Jens Axboe