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[84.247.152.65]) by smtp.gmail.com with ESMTPSA id 98e67ed59e1d1-398a14d3e83sm7469034a91.10.2026.08.30.00.03.19 (version=TLS1_3 cipher=TLS_CHACHA20_POLY1305_SHA256 bits=256/256); Sun, 30 Aug 2026 00:03:26 -0700 (PDT) From: Lian Wang To: "Barry Song (Xiaomi)" Cc: akpm@linux-foundation.org, lianux.mm@gmail.com, axelrasmussen@google.com, baolin.wang@linux.alibaba.com, baoquan.he@linux.dev, chenridong@xiaomi.com, david@kernel.org, hannes@cmpxchg.org, kasong@tencent.com, linux-kernel@vger.kernel.org, linux-mm@kvack.org, ljs@kernel.org, lyugaofei@xiaomi.com, mhocko@kernel.org, qi.zheng@linux.dev, shakeel.butt@linux.dev, stevensd@chromium.org, wangzicheng@honor.com, weixugc@google.com, yuanchu@google.com, zhangbo56@xiaomi.com, Xueyuan Chen Subject: Re: [PATCH v2 3/7] mm/mglru: enhance cold/hot inversion handling in inc_min_seq() Date: Sun, 30 Aug 2026 15:02:49 +0800 Message-ID: <20260830070305.77990-1-lianux.mm@gmail.com> X-Mailer: git-send-email 2.55.0 In-Reply-To: <20260827234704.63163-4-baohua@kernel.org> References: <20260827234704.63163-1-baohua@kernel.org> <20260827234704.63163-4-baohua@kernel.org> MIME-Version: 1.0 Content-Transfer-Encoding: 8bit X-Rspamd-Server: rspam08 X-Rspamd-Queue-Id: B2E40A0009 X-Stat-Signature: qmyji31r6zocjc7o484nfkzb37cm4f4k X-Rspam-User: X-HE-Tag: 1788073407-128549 X-HE-Meta: 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 2D3+b/Jg 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 Sender: owner-linux-mm@kvack.org Precedence: bulk X-Loop: owner-majordomo@kvack.org List-ID: List-Subscribe: List-Unsubscribe: > Otherwise, promoted folios could end up behind folios that were never > promoted, effectively inverting their hot/cold ordering. This makes sense to me. Reviewed-by: Lian Wang