From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org Received: from kanga.kvack.org (kanga.kvack.org [205.233.56.17]) by smtp.lore.kernel.org (Postfix) with ESMTP id 3219FC433F5 for ; Tue, 11 Jan 2022 02:26:15 +0000 (UTC) Received: by kanga.kvack.org (Postfix) id B10996B0072; Mon, 10 Jan 2022 21:26:14 -0500 (EST) Received: by kanga.kvack.org (Postfix, from userid 40) id ABFE46B0073; Mon, 10 Jan 2022 21:26:14 -0500 (EST) X-Delivered-To: int-list-linux-mm@kvack.org Received: by kanga.kvack.org (Postfix, from userid 63042) id 961A36B0074; Mon, 10 Jan 2022 21:26:14 -0500 (EST) X-Delivered-To: linux-mm@kvack.org Received: from forelay.hostedemail.com (smtprelay0121.hostedemail.com [216.40.44.121]) by kanga.kvack.org (Postfix) with ESMTP id 882D66B0072 for ; Mon, 10 Jan 2022 21:26:14 -0500 (EST) Received: from smtpin28.hostedemail.com (10.5.19.251.rfc1918.com [10.5.19.251]) by forelay05.hostedemail.com (Postfix) with ESMTP id 3D950181D1A12 for ; Tue, 11 Jan 2022 02:26:14 +0000 (UTC) X-FDA: 79016416668.28.BE296AB Received: from mail-yb1-f179.google.com (mail-yb1-f179.google.com [209.85.219.179]) by imf16.hostedemail.com (Postfix) with ESMTP id A409718000F for ; Tue, 11 Jan 2022 02:26:13 +0000 (UTC) Received: by mail-yb1-f179.google.com with SMTP id p187so831062ybc.0 for ; Mon, 10 Jan 2022 18:26:13 -0800 (PST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=bytedance-com.20210112.gappssmtp.com; s=20210112; h=mime-version:references:in-reply-to:from:date:message-id:subject:to :cc; bh=P1ENhSWsAV/dz7z50ZJCYCuaP4VRXWxn4r2j+Sg+6UA=; b=T55GOK2PpaNsrGqiMFTAqH2V7QdMHJhf0a3BMQ7I8S2f2h7BI4JXGBsntFUbrKsnrl rEzOH+AqALeZAy8Qhyi3rFQo8NaIqguy97C9ERCdlxVx+n7E8WH64/TjwHln91YBdBBk AWYzFw4wU9mhtUfJSXGLzZymCyI9uQqeU39t+zioXUDqxTWAI0BMcwXbJxPBATEie6rv xQARIPZV9m3Nn76w+UJ2xS8QDkRdVgio/eXbMdoElnUL60H99TIz4WO/aNSZ8URTri7U 84EE4GnWjFwaNRNtzSO8JCOqqvhya0pINZ5DHiHwfs7OeADtTaDkmdukFBkr8yOlXG57 zZYQ== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20210112; h=x-gm-message-state:mime-version:references:in-reply-to:from:date :message-id:subject:to:cc; bh=P1ENhSWsAV/dz7z50ZJCYCuaP4VRXWxn4r2j+Sg+6UA=; b=BveFkeIpYPqkVhLXTsA/GVP9kLUmlMnU6RgrOnXONB3J/fPr/suE50xK62b6wxlOJj Uqp9zPpI2rkVrSJTiRMqmAn9iGtmr1h/y9V48m/8FirYQ6oIjR1s2xA/mlk4lGfaI7fD liinoCo1NRewVsVhfMhzJ7AZC3M9A9dB5WsPEzjnNYIMhzNv1r8l5dgJVPxKe/5myCmq ZQbcW4l/yt4CgowbcLiK5+b0D5cUOXUjZJKzMMslVATODBeVuUCw6z+I7qNKMLE7L6gi I0/VWyJCTYpMp9SZb6LGQK43i8X+GR1YGESy7CVavxF7yH5yQf0sV2uR2c9QfYxB8HhZ mcJA== X-Gm-Message-State: AOAM530CTGMDMUYWd7BYb1z+VmgvcKAbHTMFllPbxBl7rlXF+vLbH43v h8LQ/HK2SruuAxdMUk5QZEmiisq9pD8nY7tkyL+mlg== X-Google-Smtp-Source: ABdhPJxowJER3pmqEV7tisAM0wfJwlxJtB+yz5CCw6efvbLqhAjzPpwfWxGFtuk58ztzM2xStozGxj4PibwWfRfK6RY= X-Received: by 2002:a25:b194:: with SMTP id h20mr3367724ybj.485.1641867973020; Mon, 10 Jan 2022 18:26:13 -0800 (PST) MIME-Version: 1.0 References: <20220111010302.8864-1-richard.weiyang@gmail.com> <20220111010302.8864-2-richard.weiyang@gmail.com> In-Reply-To: <20220111010302.8864-2-richard.weiyang@gmail.com> From: Muchun Song Date: Tue, 11 Jan 2022 10:25:37 +0800 Message-ID: Subject: Re: [PATCH 2/4] mm/memcg: mem_cgroup_per_node is already set to 0 on allocation To: Wei Yang Cc: Johannes Weiner , Michal Hocko , Vladimir Davydov , Andrew Morton , Shakeel Butt , Roman Gushchin , Vlastimil Babka , Matthew Wilcox , Yang Shi , Suren Baghdasaryan , LKML , Cgroups , Linux Memory Management List Content-Type: text/plain; charset="UTF-8" X-Rspamd-Queue-Id: A409718000F X-Stat-Signature: kr76pbnyq9yedrk3e1ri7m4nouxe1gtd Authentication-Results: imf16.hostedemail.com; dkim=pass header.d=bytedance-com.20210112.gappssmtp.com header.s=20210112 header.b=T55GOK2P; dmarc=pass (policy=none) header.from=bytedance.com; spf=pass (imf16.hostedemail.com: domain of songmuchun@bytedance.com designates 209.85.219.179 as permitted sender) smtp.mailfrom=songmuchun@bytedance.com X-Rspamd-Server: rspam06 X-HE-Tag: 1641867973-73441 X-Bogosity: Ham, tests=bogofilter, spamicity=0.000000, version=1.2.4 Sender: owner-linux-mm@kvack.org Precedence: bulk X-Loop: owner-majordomo@kvack.org List-ID: On Tue, Jan 11, 2022 at 9:03 AM Wei Yang wrote: > > kzalloc_node() would set data to 0, so it's not necessary to set it > again. > > Signed-off-by: Wei Yang Reviewed-by: Muchun Song Thanks.