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 X-Spam-Level: X-Spam-Status: No, score=-3.8 required=3.0 tests=DKIM_SIGNED,DKIM_VALID, HEADER_FROM_DIFFERENT_DOMAINS,MAILING_LIST_MULTI,SIGNED_OFF_BY,SPF_HELO_NONE, SPF_PASS autolearn=no autolearn_force=no version=3.4.0 Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id DF472C433DF for ; Tue, 26 May 2020 14:42:46 +0000 (UTC) Received: from kanga.kvack.org (kanga.kvack.org [205.233.56.17]) by mail.kernel.org (Postfix) with ESMTP id A50782086A for ; Tue, 26 May 2020 14:42:46 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=pass (2048-bit key) header.d=cmpxchg-org.20150623.gappssmtp.com header.i=@cmpxchg-org.20150623.gappssmtp.com header.b="vI9pk3mv" DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org A50782086A Authentication-Results: mail.kernel.org; dmarc=fail (p=none dis=none) header.from=cmpxchg.org Authentication-Results: mail.kernel.org; spf=pass smtp.mailfrom=owner-linux-mm@kvack.org Received: by kanga.kvack.org (Postfix) id 4A19E800AF; Tue, 26 May 2020 10:42:46 -0400 (EDT) Received: by kanga.kvack.org (Postfix, from userid 40) id 451C480061; Tue, 26 May 2020 10:42:46 -0400 (EDT) X-Delivered-To: int-list-linux-mm@kvack.org Received: by kanga.kvack.org (Postfix, from userid 63042) id 36655800AF; Tue, 26 May 2020 10:42:46 -0400 (EDT) X-Delivered-To: linux-mm@kvack.org Received: from forelay.hostedemail.com (smtprelay0057.hostedemail.com [216.40.44.57]) by kanga.kvack.org (Postfix) with ESMTP id 1DF4480061 for ; Tue, 26 May 2020 10:42:46 -0400 (EDT) Received: from smtpin18.hostedemail.com (10.5.19.251.rfc1918.com [10.5.19.251]) by forelay01.hostedemail.com (Postfix) with ESMTP id CDD3E180AD817 for ; Tue, 26 May 2020 14:42:45 +0000 (UTC) X-FDA: 76859136690.18.wave03_180f3f20fe529 X-HE-Tag: wave03_180f3f20fe529 X-Filterd-Recvd-Size: 3648 Received: from mail-qk1-f196.google.com (mail-qk1-f196.google.com [209.85.222.196]) by imf08.hostedemail.com (Postfix) with ESMTP for ; Tue, 26 May 2020 14:42:45 +0000 (UTC) Received: by mail-qk1-f196.google.com with SMTP id c12so1874631qkk.13 for ; Tue, 26 May 2020 07:42:45 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=cmpxchg-org.20150623.gappssmtp.com; s=20150623; h=date:from:to:cc:subject:message-id:references:mime-version :content-disposition:in-reply-to; bh=09NkzIHZAJnaabNzltJNpHqTja29HfRyqZxJgoASsis=; b=vI9pk3mv7VAhL8kvPHHXxJTQQGYcJUu5GTZZ6y4YiwW3Y1Avrv5r6XHrvcwie4PK4c 7KR2HeHdQ626DnC+KI0hNsNedItJfqKaOr0YxxXKy219Pw9WtoVWw4dx+VD68JzvD8Cq g8OGFYLtvNGHCUhid3aoNQpxdXhUSSaaFHXRBicYB4SMaqFvgoZ2tej3Y6M3crYF7fkJ 3gQZ3YZp0OIlp06GtfIqbVaEh+qHRIhcsNntKn7umQzLl594/L67uSCsIjzgYz4a5vWM Yld7CRzSE4YOnxonpfPnd+Im85yT+W8HxHx81wzUq7GlVpc/6ZLUlxe3Mr4xtAz41XVn mdTg== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20161025; h=x-gm-message-state:date:from:to:cc:subject:message-id:references :mime-version:content-disposition:in-reply-to; bh=09NkzIHZAJnaabNzltJNpHqTja29HfRyqZxJgoASsis=; b=CsBFcXivPc51bcXVaE0vuf0Aizj1/YQ+tj3ekSJrcFtfPril9X9tS7VhFhIQvzrnxP 0gySiI4xzWWpQIhI6LiDuO+GXicvJCnbp/v8Mrf/DzzK0xpr9aS7UI+MTx9J1EtzNXzO KIVL4dFTmpJ1wpQAQmJ5hH2lLudG8sTXtlcgeHnVMi+6vOtULq401fkeOJLFZs4ottBV GTxU5vhDTw5O+HmsgWwZ90XDfrUjNRyNEbkSzJWlIvU4i5A3MwTQ/T1Z5gB7UjNGPJrX O/CvUV7B/KndDTEdFtZZHbAZmLR30XacY7CUZ+2lv1KhmnSdqLCrUQpIocvI0Q7SajqW RBaA== X-Gm-Message-State: AOAM533Vkfajf14IByD+/5U8Sdy36g3pByHrAO3ZbHvwNxjnHgq5rFZ1 5fEHbfmb2Yszgz8yz+vFSwPY+A== X-Google-Smtp-Source: ABdhPJwYZKiVL7ZZ4O2XNxuu8qpgaV+gbfp1Bjau1oRMoeNZ1EufXPxllHj6tkd3uo4heu/D9fbuyg== X-Received: by 2002:a05:620a:2290:: with SMTP id o16mr1717002qkh.205.1590504164622; Tue, 26 May 2020 07:42:44 -0700 (PDT) Received: from localhost (70.44.39.90.res-cmts.bus.ptd.net. [70.44.39.90]) by smtp.gmail.com with ESMTPSA id j90sm17507683qte.33.2020.05.26.07.42.43 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Tue, 26 May 2020 07:42:43 -0700 (PDT) Date: Tue, 26 May 2020 10:42:20 -0400 From: Johannes Weiner To: Jakub Kicinski Cc: akpm@linux-foundation.org, linux-mm@kvack.org, kernel-team@fb.com, tj@kernel.org, chris@chrisdown.name, cgroups@vger.kernel.org, shakeelb@google.com, mhocko@kernel.org Subject: Re: [PATCH mm v5 RESEND 3/4] mm: move cgroup high memory limit setting into struct page_counter Message-ID: <20200526144220.GC848026@cmpxchg.org> References: <20200521002411.3963032-1-kuba@kernel.org> <20200521002411.3963032-4-kuba@kernel.org> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <20200521002411.3963032-4-kuba@kernel.org> 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, May 20, 2020 at 05:24:10PM -0700, Jakub Kicinski wrote: > High memory limit is currently recorded directly in > struct mem_cgroup. We are about to add a high limit > for swap, move the field to struct page_counter and > add some helpers. > > Signed-off-by: Jakub Kicinski > Reviewed-by: Shakeel Butt Acked-by: Johannes Weiner This move is overdue and should make it easier to integrate high reclaim better into the existing max reclaim flow as well. Thanks!