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 vger.kernel.org (vger.kernel.org [23.128.96.18]) by smtp.lore.kernel.org (Postfix) with ESMTP id DBE2DC433EF for ; Tue, 1 Feb 2022 00:47:05 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S231264AbiBAArF (ORCPT ); Mon, 31 Jan 2022 19:47:05 -0500 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:38140 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S230038AbiBAArC (ORCPT ); Mon, 31 Jan 2022 19:47:02 -0500 Received: from mail-ej1-x634.google.com (mail-ej1-x634.google.com [IPv6:2a00:1450:4864:20::634]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 7818CC061714; Mon, 31 Jan 2022 16:47:01 -0800 (PST) Received: by mail-ej1-x634.google.com with SMTP id s13so48678553ejy.3; Mon, 31 Jan 2022 16:47:01 -0800 (PST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20210112; h=from:to:cc:subject:date:message-id; bh=uPVLcxrrpf12Ei4lWc6lSHRXgw8cc0G/gavfe4Q9af4=; b=hdpLvN0QxInM8+zBsj9rlh83NVjYyFJoIFuN/De4NAA9EcVJhT7Wqhkcj75YZEeEV2 th2W52TZaFlmrPuVbf6bmepEh9nDGgI4CSDd+GaLoRrX1GocorJrKLmA9JiVmpB6t8s5 66kbKsZny0SG2cCxsmhC78eAk8a3CPKbs558vyZgfnz46XL3sxK28SQN2uG3f6XLjnzl LNghAm/XyZAZInH39ADFZhe9ctC11i3g7jcQor7TRZxqtGO16EuWNH8wT2AC3cDP3IuA 0C0BTkQ33c8fKzbuibkJDmgEw1NtwrOcnpFtlrZOFnPEaDzl3jCxB+jJoKQlGI40mEK6 Gi2g== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20210112; h=x-gm-message-state:from:to:cc:subject:date:message-id; bh=uPVLcxrrpf12Ei4lWc6lSHRXgw8cc0G/gavfe4Q9af4=; b=TiceN4VhKLMmTTQ7rot6B4Of3l8XLvfU+rWxZVQq6zLicZ4VHytqRQUjzpNH5E3kT2 dLqTMcrvnZeUFhgwk+ju7EU0uP4zmQ+AS0uUCrWmDyXrN4yepKR/noojfxnb75fB6Wtj rwQvgZJjrUqLXtPNDhYKkipgpJfJq8y2i9YqrOTa/1ZQO+DNVZQ76L0aqA9jq7hI+LrI aM+GynvabMk1o5yOxUq1cM884O/MmjcvCDechMiz3ahMpPff85RZ1WVqFbon6ME/IA1i Tv2kBhdxRDS3P5pSHlH1sOwPIUSSTuSDvpwvnbUPMMwWIWHJrVjuJjgfuPZPAg7M6TJs 6NMw== X-Gm-Message-State: AOAM530rZEvjQaChNuTvPojqCkranxycOa1Pza4gqvLWg6B3yp8VLyYU kZ5RdFSWDiMZj9/eaHw1XsU= X-Google-Smtp-Source: ABdhPJw8HWmyZMvyKUz/GCpLFtIhWj2bZvqHd92ATTkn5xbAydEP5bf6sPKyPc0j527YW5ynQlVdrQ== X-Received: by 2002:a17:907:c19:: with SMTP id ga25mr20364151ejc.606.1643676419516; Mon, 31 Jan 2022 16:46:59 -0800 (PST) Received: from localhost ([185.92.221.13]) by smtp.gmail.com with ESMTPSA id v10sm18500935edx.36.2022.01.31.16.46.58 (version=TLS1_2 cipher=ECDHE-ECDSA-CHACHA20-POLY1305 bits=256/256); Mon, 31 Jan 2022 16:46:59 -0800 (PST) From: Wei Yang To: hannes@cmpxchg.org, mhocko@kernel.org, vdavydov.dev@gmail.com, akpm@linux-foundation.org, shakeelb@google.com, guro@fb.com, willy@infradead.org, songmuchun@bytedance.com, shy828301@gmail.com, surenb@google.com Cc: linux-kernel@vger.kernel.org, cgroups@vger.kernel.org, linux-mm@kvack.org, vbabka@suse.cz, Wei Yang Subject: [PATCH 1/2] mm/memcg: mem_cgroup_per_node is already set to 0 on allocation Date: Tue, 1 Feb 2022 00:46:42 +0000 Message-Id: <20220201004643.8391-1-richard.weiyang@gmail.com> X-Mailer: git-send-email 2.11.0 Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org 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 Acked-by: Michal Hocko Reviewed-by: Roman Gushchin Reviewed-by: Mike Rapoport Reviewed-by: Shakeel Butt --- mm/memcontrol.c | 2 -- 1 file changed, 2 deletions(-) diff --git a/mm/memcontrol.c b/mm/memcontrol.c index ea8460658550..ce7060907df2 100644 --- a/mm/memcontrol.c +++ b/mm/memcontrol.c @@ -5070,8 +5070,6 @@ static int alloc_mem_cgroup_per_node_info(struct mem_cgroup *memcg, int node) } lruvec_init(&pn->lruvec); - pn->usage_in_excess = 0; - pn->on_tree = false; pn->memcg = memcg; memcg->nodeinfo[node] = pn; -- 2.33.1