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[109.81.17.175]) by smtp.gmail.com with ESMTPSA id 5b1f17b1804b1-48727192012sm79669865e9.32.2026.03.30.05.03.30 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Mon, 30 Mar 2026 05:03:31 -0700 (PDT) Date: Mon, 30 Mar 2026 14:03:29 +0200 From: Michal Hocko To: Joshua Hahn Cc: Johannes Weiner , Andrew Morton , Roman Gushchin , Shakeel Butt , Muchun Song , David Hildenbrand , Lorenzo Stoakes , Vlastimil Babka , Dennis Zhou , Tejun Heo , Christoph Lameter , cgroups@vger.kernel.org, linux-mm@kvack.org, linux-kernel@vger.kernel.org, kernel-team@meta.com Subject: Re: [PATCH] mm/percpu, memcontrol: Per-memcg-lruvec percpu accounting Message-ID: References: <20260327191936.1980054-1-joshua.hahnjy@gmail.com> Precedence: bulk X-Mailing-List: cgroups@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <20260327191936.1980054-1-joshua.hahnjy@gmail.com> On Fri 27-03-26 12:19:35, Joshua Hahn wrote: > Convert MEMCG_PERCPU_B from a memcg_stat_item to a memcg_node_stat_item > to give visibility into per-node breakdowns for percpu allocations and > turn it into NR_PERCPU_B. Why do we need/want this? -- Michal Hocko SUSE Labs