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charset="UTF-8" ARC-Authentication-Results: i=1; imf28.hostedemail.com; dkim=pass header.d=google.com header.s=20210112 header.b="CLK0Sc/V"; dmarc=pass (policy=reject) header.from=google.com; spf=pass (imf28.hostedemail.com: domain of yuzhao@google.com designates 209.85.217.49 as permitted sender) smtp.mailfrom=yuzhao@google.com ARC-Message-Signature: i=1; a=rsa-sha256; c=relaxed/relaxed; d=hostedemail.com; s=arc-20220608; t=1655924385; h=from:from:sender:reply-to:subject:subject:date:date: message-id:message-id:to:to:cc:cc:mime-version:mime-version: content-type:content-type:content-transfer-encoding: in-reply-to:in-reply-to:references:references:dkim-signature; bh=znYvHmQcO9pIRRv6Z8ozam49umE/VEVHtcAiw2I40Es=; b=ALe7XaBECOgJWPP9hwKfvBhbpkHb0s6RVgVIU160g0ARbyjscIr48aDOV4XNA4WJGamNdG mRk9DqletoX7tCliY5T2rOQ3zXoSTOIJM0S7dWMyQnG+IEY4JNF36e0/NVCpB2mKdbQ/P7 +z73n4JF4njiNG+HEQNMDwheYl/XdAk= ARC-Seal: i=1; s=arc-20220608; d=hostedemail.com; t=1655924385; a=rsa-sha256; cv=none; b=jLM4GBuW9HdNQWLMiMQ+aHQC+0PWhmK8K2vwiwaRrdQmPAPf9UMr9INXbtb+uMZd2ciOCL r9tqZuLbuQhQ5/XV68iSh8rpPjvChzWQQ5pjrQLLEMUWo8GegPS0hbX9YPvXfnfxuWsm8Y PFWLOlPNLmlI9Okpb9dPohj7XF+2STU= X-Rspam-User: Authentication-Results: imf28.hostedemail.com; dkim=pass header.d=google.com header.s=20210112 header.b="CLK0Sc/V"; dmarc=pass (policy=reject) header.from=google.com; spf=pass (imf28.hostedemail.com: domain of yuzhao@google.com designates 209.85.217.49 as permitted sender) smtp.mailfrom=yuzhao@google.com X-Stat-Signature: 49go8i8jwfcriqcqustyfbrp48abuuqh X-Rspamd-Queue-Id: 52BD2C00CA X-Rspamd-Server: rspam12 X-HE-Tag: 1655924385-495162 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 22, 2022 at 12:46 PM Andrew Morton wrote: > > On Wed, 22 Jun 2022 00:21:47 -0600 Yu Zhao wrote: > > > > TLDR > > > ==== > > > The current page reclaim is too expensive in terms of CPU usage and it > > > often makes poor choices about what to evict. This patchset offers an > > > alternative solution that is performant, versatile and > > > straightforward. > > > > I don't see any action items left for me. Are we good for the next merge window? > > Qi Zheng just found an item ;) Well, an embarrassing one, and I hope it's the last one :) > Yes, I'd like to get this in soon. I've been waiting for the mapletree work > to converge a bit further. No worries. We are not in any rush, just planning ahead, since this patchset has conflicts with Muchun's LRU page reparenting work [1]. [1] https://lore.kernel.org/linux-mm/20220621125658.64935-1-songmuchun@bytedance.com/