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Wed, 30 Jun 2021 07:18:51 -0700 (PDT) Received: from localhost ([2620:10d:c090:400::5:14ba]) by smtp.gmail.com with ESMTPSA id u13sm23208169pga.64.2021.06.30.07.18.49 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Wed, 30 Jun 2021 07:18:50 -0700 (PDT) Date: Wed, 30 Jun 2021 10:18:47 -0400 From: Johannes Weiner To: "Matthew Wilcox (Oracle)" Cc: linux-mm@kvack.org, cgroups@vger.kernel.org, Michal Hocko , Vladimir Davydov Subject: Re: [PATCH v3 03/18] mm/memcg: Use the node id in mem_cgroup_update_tree() Message-ID: References: <20210630040034.1155892-1-willy@infradead.org> <20210630040034.1155892-4-willy@infradead.org> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <20210630040034.1155892-4-willy@infradead.org> Authentication-Results: imf12.hostedemail.com; dkim=pass header.d=cmpxchg-org.20150623.gappssmtp.com header.s=20150623 header.b=e2VD0gvb; dmarc=pass (policy=none) header.from=cmpxchg.org; spf=pass (imf12.hostedemail.com: domain of hannes@cmpxchg.org designates 209.85.214.177 as permitted sender) smtp.mailfrom=hannes@cmpxchg.org X-Stat-Signature: hr9dnigpf33yxsk1s9zzb3nrho3xh94t X-Rspamd-Server: rspam04 X-Rspamd-Queue-Id: E0F3210000A2 X-HE-Tag: 1625062737-615432 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 Wed, Jun 30, 2021 at 05:00:19AM +0100, Matthew Wilcox (Oracle) wrote: > By using the node id in mem_cgroup_update_tree(), we can delete > soft_limit_tree_from_page() and mem_cgroup_page_nodeinfo(). Saves 42 > bytes of kernel text on my config. > > Signed-off-by: Matthew Wilcox (Oracle) Acked-by: Johannes Weiner