Received: by 2002:ac0:a582:0:0:0:0:0 with SMTP id m2-v6csp141134imm; Tue, 9 Oct 2018 15:18:38 -0700 (PDT) X-Google-Smtp-Source: ACcGV627ibXR84Y6xKxlC8qTJ2p8UlT4MdrFYOgqZ/BVOyJbuu0+WJJQnWHWXrjYRxcS9mv89YMV X-Received: by 2002:a63:6645:: with SMTP id a66-v6mr26998470pgc.5.1539123518553; Tue, 09 Oct 2018 15:18:38 -0700 (PDT) ARC-Seal: i=1; a=rsa-sha256; t=1539123518; cv=none; d=google.com; s=arc-20160816; b=j1E3yJ8lfTRKKOjzHNolGQ914+BnI+f+el7ppk3wJjxwNgF+pfPFXqfn6DkteiOyCw 0A2iiRFznErIqbWQcUMRddek2K6ICPMq/pzcEMFgtoTK+XHgJrFiDjrUlD9E1GGGK/hP 6BgLXxrC5qB7wXnDaRG5fk4aiB6OQUbDNoK4N8uu+MCdXBOUznmup5s9RN1DweMzjmQt DU5CRdXTx4pbn0XNWZlBbEeYP/huLOC5K9+e3MNNYsZeRC10+jts01x9emcagECuS4Wf xWRwqdBW6KEIWdUdiRgxZjEYl/1EzoNs0Rc9zyOl9XTsh2B+Pjd7b8ADV7EmKUtWzcg/ 7d7g== ARC-Message-Signature: i=1; a=rsa-sha256; c=relaxed/relaxed; d=google.com; s=arc-20160816; h=list-id:precedence:sender:content-transfer-encoding:mime-version :references:in-reply-to:message-id:subject:to:from:date; bh=1l6HRkBHcyMCP3oo5chOrQbcH5f2iVOf9mzTQA1+FSo=; b=FSZYADx7drYzC9lPHZ9KxtMjORUez+RK2YIdBT7i9X59vYnOplYln0C55tLRdmzFMb dC7nJg0TUu2op9jGocDXBjCF3BsA3NCS0TzwxzuLXxZyPSKXl+gOR1v8v62JCwjGPxUj nqSap/0ONy7GJ0x6W0f6G9VfvPJgi7EuFqoQcFhnj0OB6+X9HCqAIxWP5+/0bwl6CuEz AhTJ+zbn4+Yv7vujV+vbcmp64yYYDerUG/5y+aOn5qMYYP8dG9jMQhJi4tJx0wnjc/gT Y6Gvn5l0rKb2keK7CBCPDZ4uJqJXuduKpeRRjthrNJ1vGHD9ZTeWrE9XrCjfrDMF/r/q GYgg== ARC-Authentication-Results: i=1; mx.google.com; spf=pass (google.com: best guess record for domain of linux-kernel-owner@vger.kernel.org designates 209.132.180.67 as permitted sender) smtp.mailfrom=linux-kernel-owner@vger.kernel.org Return-Path: Received: from vger.kernel.org (vger.kernel.org. [209.132.180.67]) by mx.google.com with ESMTP id o12-v6si24676398pfh.9.2018.10.09.15.18.24; Tue, 09 Oct 2018 15:18:38 -0700 (PDT) Received-SPF: pass (google.com: best guess record for domain of linux-kernel-owner@vger.kernel.org designates 209.132.180.67 as permitted sender) client-ip=209.132.180.67; Authentication-Results: mx.google.com; spf=pass (google.com: best guess record for domain of linux-kernel-owner@vger.kernel.org designates 209.132.180.67 as permitted sender) smtp.mailfrom=linux-kernel-owner@vger.kernel.org Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1727968AbeJJFgp (ORCPT + 99 others); Wed, 10 Oct 2018 01:36:45 -0400 Received: from mail.linuxfoundation.org ([140.211.169.12]:59598 "EHLO mail.linuxfoundation.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1725837AbeJJFgp (ORCPT ); Wed, 10 Oct 2018 01:36:45 -0400 Received: from akpm3.svl.corp.google.com (unknown [104.133.8.65]) by mail.linuxfoundation.org (Postfix) with ESMTPSA id 6718DB30; Tue, 9 Oct 2018 22:17:41 +0000 (UTC) Date: Tue, 9 Oct 2018 15:17:40 -0700 From: Andrew Morton To: Johannes Weiner , Rik van Riel , linux-mm@kvack.org, linux-kernel@vger.kernel.org, kernel-team@fb.com Subject: Re: [PATCH 4/4] mm: zero-seek shrinkers Message-Id: <20181009151740.eaa1e07b111b4f4d90d0172c@linux-foundation.org> In-Reply-To: <20181009151556.5b0a3c9ae270b7551b3d12e6@linux-foundation.org> References: <20181009184732.762-1-hannes@cmpxchg.org> <20181009184732.762-5-hannes@cmpxchg.org> <20181009151556.5b0a3c9ae270b7551b3d12e6@linux-foundation.org> X-Mailer: Sylpheed 3.6.0 (GTK+ 2.24.31; x86_64-pc-linux-gnu) Mime-Version: 1.0 Content-Type: text/plain; charset=US-ASCII Content-Transfer-Encoding: 7bit Sender: linux-kernel-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On Tue, 9 Oct 2018 15:15:56 -0700 Andrew Morton wrote: > Seems sane, but I'm somewhat worried about unexpected effects on other > workloads. So I think I'll hold this over for 4.20. Or shouldn't I? Meant 4.21. But on reflection this is perhaps excessively cautious.