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 E639AC433EF for ; Tue, 1 Feb 2022 02:45:47 +0000 (UTC) Received: by kanga.kvack.org (Postfix) id 6BA418D0052; Mon, 31 Jan 2022 21:45:47 -0500 (EST) Received: by kanga.kvack.org (Postfix, from userid 40) id 66A208D0028; Mon, 31 Jan 2022 21:45:47 -0500 (EST) X-Delivered-To: int-list-linux-mm@kvack.org Received: by kanga.kvack.org (Postfix, from userid 63042) id 50A238D0052; Mon, 31 Jan 2022 21:45:47 -0500 (EST) X-Delivered-To: linux-mm@kvack.org Received: from forelay.hostedemail.com (smtprelay0004.hostedemail.com [216.40.44.4]) by kanga.kvack.org (Postfix) with ESMTP id 3ED558D0028 for ; Mon, 31 Jan 2022 21:45:47 -0500 (EST) Received: from smtpin25.hostedemail.com (10.5.19.251.rfc1918.com [10.5.19.251]) by forelay05.hostedemail.com (Postfix) with ESMTP id F02A8181DF748 for ; Tue, 1 Feb 2022 02:45:46 +0000 (UTC) X-FDA: 79092670692.25.07DD9FE Received: from mail-ed1-f41.google.com (mail-ed1-f41.google.com [209.85.208.41]) by imf19.hostedemail.com (Postfix) with ESMTP id 913BD1A0002 for ; Tue, 1 Feb 2022 02:45:46 +0000 (UTC) Received: by mail-ed1-f41.google.com with SMTP id p7so30945760edc.12 for ; Mon, 31 Jan 2022 18:45:46 -0800 (PST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20210112; h=date:from:to:cc:subject:message-id:reply-to:references:mime-version :content-disposition:in-reply-to:user-agent; bh=9pymwQ4UaO9NJdRwfISQ/doC+zND8ys6m5SL5hlKdWc=; b=D2N5jrvCbkgD4eEcmCb4sXQlnCGhluE6NJuCrFMtCZvSvQxASza+HsCjH9EF8Jr7m8 I4tqExuqGalC7lTVerNy1mO3uk0wy7nDTzcoLlxeeGRr6gSf7NlVVWV/+55OqAZ6Eybw OaSriJcF4o60/8ZP/GuKOxGULaFcMYicbRvvYObVNXq3pmoMT4Bu9RABrhbIJMlYXBvO pom6sjKsLT89k5UBHEY5dPrNKwy1YOnPUrjMmSgQjwVs8y9rWTREFd74xA+z67uPcHlh RxCoRquRdJWtdo6zbkiprgE12gPXokWCIxkJ2S+3vcX4HsKo+pSIkHxM7XgBRZmn5BgR Qv0g== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20210112; h=x-gm-message-state:date:from:to:cc:subject:message-id:reply-to :references:mime-version:content-disposition:in-reply-to:user-agent; bh=9pymwQ4UaO9NJdRwfISQ/doC+zND8ys6m5SL5hlKdWc=; b=5MWUpbbYS0f2FaywrFB/NkmzVusyQkteZPFlrIx0PR/C+olzuelLKsHqj2x4UGG3kT K5FiHmR9U7leXnASSqzfBa/tjwu7IKErE+gk+81zD4qeY5N4xC6RAczsqNXkRyA3yd/a eEIfTP6tIPnR6vRVxxq5nZ69BS4+/yGb2C4Sm533cCUlB98eCDIohFKGscN+3N265kib q4MP5+Fq7n7W1mzmTDoOm57IioFA7qz44QMeImPbqCJrKHlWm1UhVMOXittQwUPbcjGo gnXWp0Z8kLV2rPh9tyndDyKpkTbb34C+Vm27uMNLv9/Rs4vVXwe0zTM6ll4sq0G8xI/+ vaig== X-Gm-Message-State: AOAM531Nf0469+PL2M0DFHFOe5au5Ols55TBKhXDWuA9rr5oI8WDLDM9 lJqhT9DeQTRJf8lWWI/W4Kc= X-Google-Smtp-Source: ABdhPJwa/D6V+1WOnfhB9eejzTwFe7KQvCa4HK1P9rpgB4guQhcugBxzqLpco46A8DGE3Iajp0Y23A== X-Received: by 2002:a05:6402:f19:: with SMTP id i25mr23234265eda.91.1643683545623; Mon, 31 Jan 2022 18:45:45 -0800 (PST) Received: from localhost ([185.92.221.13]) by smtp.gmail.com with ESMTPSA id v23sm14245723ejy.177.2022.01.31.18.45.45 (version=TLS1_2 cipher=ECDHE-ECDSA-CHACHA20-POLY1305 bits=256/256); Mon, 31 Jan 2022 18:45:45 -0800 (PST) Date: Tue, 1 Feb 2022 02:45:44 +0000 From: Wei Yang To: Michal Hocko Cc: Andrew Morton , linux-mm@kvack.org, LKML , David Hildenbrand , Alexey Makhalov , Dennis Zhou , Eric Dumazet , Oscar Salvador , Tejun Heo , Christoph Lameter , Nico Pache , Wei Yang , Rafael Aquini , Michal Hocko Subject: Re: [PATCH 6/6] memcg: do not tweak node in alloc_mem_cgroup_per_node_info Message-ID: <20220201024544.p2iqj2mz7bgq4pf3@master> Reply-To: Wei Yang References: <20220127085305.20890-1-mhocko@kernel.org> <20220127085305.20890-7-mhocko@kernel.org> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <20220127085305.20890-7-mhocko@kernel.org> User-Agent: NeoMutt/20170113 (1.7.2) X-Rspamd-Server: rspam09 X-Rspamd-Queue-Id: 913BD1A0002 X-Stat-Signature: 81pr5j8yk4pafxenodkgbsutowdbfdky X-Rspam-User: nil Authentication-Results: imf19.hostedemail.com; dkim=pass header.d=gmail.com header.s=20210112 header.b=D2N5jrvC; spf=pass (imf19.hostedemail.com: domain of richard.weiyang@gmail.com designates 209.85.208.41 as permitted sender) smtp.mailfrom=richard.weiyang@gmail.com; dmarc=pass (policy=none) header.from=gmail.com X-HE-Tag: 1643683546-379910 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 Thu, Jan 27, 2022 at 09:53:05AM +0100, Michal Hocko wrote: >From: Wei Yang > >alloc_mem_cgroup_per_node_info is allocated for each possible node and >this used to be a problem because not !node_online nodes didn't have ^^^ a typo here? !node_online nodes is enough? >appropriate data structure allocated. This has changed by "mm: handle >uninitialized numa nodes gracefully" so we can drop the special casing >here. > >Signed-off-by: Wei Yang >Signed-off-by: Michal Hocko -- Wei Yang Help you, Help me