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[34.125.132.248]) by smtp.gmail.com with ESMTPSA id d9443c01a7336-2a2f3c66465sm137827105ad.15.2025.12.23.13.38.11 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Tue, 23 Dec 2025 13:38:12 -0800 (PST) Date: Tue, 23 Dec 2025 21:38:07 +0000 From: Bing Jiao To: linux-mm@kvack.org Cc: linux-kernel@vger.kernel.org, akpm@linux-foundation.org, gourry@gourry.net, longman@redhat.com, hannes@cmpxchg.org, mhocko@kernel.org, roman.gushchin@linux.dev, shakeel.butt@linux.dev, muchun.song@linux.dev, tj@kernel.org, mkoutny@suse.com, david@kernel.org, zhengqi.arch@bytedance.com, lorenzo.stoakes@oracle.com, axelrasmussen@google.com, chenridong@huaweicloud.com, yuanchu@google.com, weixugc@google.com, cgroups@vger.kernel.org Subject: Re: [PATCH v3] mm/vmscan: fix demotion targets checks in reclaim/demotion Message-ID: References: <20251221233635.3761887-1-bingjiao@google.com> <20251223212032.665731-1-bingjiao@google.com> Precedence: bulk X-Mailing-List: linux-kernel@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: <20251223212032.665731-1-bingjiao@google.com> On Tue, Dec 23, 2025 at 09:19:59PM +0000, Bing Jiao wrote: > Fix two bugs in demote_folio_list() and can_demote() due to incorrect > demotion target checks in reclaim/demotion. > Considering these bugs are introduced from one commit, I think it is better to fix it in one patch rather than split it. v3: Rename cpuset_node_allowed() as cpuset_node_get_allowed() to return effective_mems directly, providing better versatility (thanks Ridong for the suggestion).