From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by smtp.lore.kernel.org (Postfix) with ESMTP id 1B013C433EF for ; Wed, 22 Jun 2022 18:46:26 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1376618AbiFVSqY (ORCPT ); Wed, 22 Jun 2022 14:46:24 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:34652 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S230122AbiFVSqW (ORCPT ); Wed, 22 Jun 2022 14:46:22 -0400 Received: from ams.source.kernel.org (ams.source.kernel.org [145.40.68.75]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 3EC5812D14; Wed, 22 Jun 2022 11:46:22 -0700 (PDT) Received: from smtp.kernel.org (relay.kernel.org [52.25.139.140]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by ams.source.kernel.org (Postfix) with ESMTPS id DF7E3B8205B; Wed, 22 Jun 2022 18:46:20 +0000 (UTC) Received: by smtp.kernel.org (Postfix) with ESMTPSA id 2207FC34114; Wed, 22 Jun 2022 18:45:59 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=linux-foundation.org; s=korg; t=1655923579; bh=0eZSRXhFQsxpMISkzTJNerX5SS+CHCOGlQdtACaMacE=; h=Date:From:To:Cc:Subject:In-Reply-To:References:From; b=YBIZZ3kn7Lk0ak8+PKPYck6NGwGFCY21Pr8DUMaa8WvE7bDchYVJ7coH4+5bTyMmB VxdAANgm3DVc33lNrHxNxpEW/gS5/7kagv/EPg9tQEfGGV0lWa3LOaEEg0W1NBMYLv tCTg6Kkmfe5qS3mHbry8SVDUQcGudXj7cvhNuLwo= Date: Wed, 22 Jun 2022 11:45:52 -0700 From: Andrew Morton To: Yu Zhao Cc: Andi Kleen , Aneesh Kumar , Catalin Marinas , Dave Hansen , Hillf Danton , Jens Axboe , Johannes Weiner , Jonathan Corbet , Linus Torvalds , Matthew Wilcox , Mel Gorman , Michael Larabel , Michal Hocko , Mike Rapoport , Peter Zijlstra , Tejun Heo , Vlastimil Babka , Will Deacon , Linux ARM , "open list:DOCUMENTATION" , linux-kernel , Linux-MM , "the arch/x86 maintainers" , Kernel Page Reclaim v2 Subject: Re: [PATCH v12 00/14] Multi-Gen LRU Framework Message-Id: <20220622114552.d878769ee7e3bc6a5240f430@linux-foundation.org> In-Reply-To: References: <20220614071650.206064-1-yuzhao@google.com> X-Mailer: Sylpheed 3.7.0 (GTK+ 2.24.33; x86_64-pc-linux-gnu) Mime-Version: 1.0 Content-Type: text/plain; charset=US-ASCII Content-Transfer-Encoding: 7bit Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org 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 ;) Yes, I'd like to get this in soon. I've been waiting for the mapletree work to converge a bit further.