Received: by 2002:a25:ab43:0:0:0:0:0 with SMTP id u61csp1022246ybi; Thu, 30 May 2019 10:16:51 -0700 (PDT) X-Google-Smtp-Source: APXvYqxf1nrbK9o0HvcMqfBnIUV7lNtKQZK03opvVLsfwNd3bkMOOSutLE0vGqw+LmoNxGYLP5BQ X-Received: by 2002:a62:7610:: with SMTP id r16mr4887760pfc.69.1559236611335; Thu, 30 May 2019 10:16:51 -0700 (PDT) ARC-Seal: i=1; a=rsa-sha256; t=1559236611; cv=none; d=google.com; s=arc-20160816; b=Az2NJFfKRTAKJKs4ZKpTCDdsfA29Z63Ntxz/YRZOKlqDtmHVU3smDSYE3EYryQgBSJ 9qAa2fxy4frKIZYXti5tGqQPi7RSwqWV8MrVoFCj/xrVBw+eLVCKx1O4RcoGsW8wegpE ZPQivcaTnqF54YsQfONiGpDr9K4BVSmN2Rjvuy+Ccu/TUzJQ5HuDlXxymxWlrod6mtx5 bH9fGbcP+1u0wCrWo1XMTtIwIo5GaLTNT1B6TOb5e8plZqFaJv517XWxHAeqAZl93Nd/ WU3CVP1yfVK8RrvclRa0hu0GRfN6PrVglFoZHqZ0XVtR7B8IQoIFiSAwwRWGduyfC4os sIVA== ARC-Message-Signature: i=1; a=rsa-sha256; c=relaxed/relaxed; d=google.com; s=arc-20160816; h=list-id:precedence:sender:user-agent:in-reply-to :content-disposition:mime-version:references:message-id:subject:cc :to:from:date:dkim-signature; bh=QXNL9kos3vvhr0YBbrXLE6785Sr0j7K/kyJsGRxCWZo=; b=QjfZRTi97rcqfrYtBXC4x+JL8YmNS7kUfEUQJ644rlWZCb7GAl8bVRWUTYjQTL7OFL PnkAJ7wMtS0QKPwxvM0+JbdftwI/6TdgLKDu7QxqzkjglFDLR+f9pTE7HLNgZ/u/YKYO jjSBcSSyD+pDLbXZX+ggX8wXCnSwXF0duD8mHksVb4a/4HYhdkFiR1dh9yV1DyI4TaJx inS4PWB+jxuk4PCbC7Lhzg0+5Ho0hBZJTmJTFvQ5jIuHz0KVlQnd8xXUPITjj12fp7Oo xaAvML4b0PbTRlM/OG46u/hP1aA78+zHe5p9mZkbLeZ60ihQHkTOAfHFcua9B6tZj5rN iPcQ== ARC-Authentication-Results: i=1; mx.google.com; dkim=fail header.i=@infradead.org header.s=bombadil.20170209 header.b=aCW4rmAy; 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 s21si3522435pgm.154.2019.05.30.10.16.31; Thu, 30 May 2019 10:16:51 -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; dkim=fail header.i=@infradead.org header.s=bombadil.20170209 header.b=aCW4rmAy; 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 S1726812AbfE3RN7 (ORCPT + 99 others); Thu, 30 May 2019 13:13:59 -0400 Received: from bombadil.infradead.org ([198.137.202.133]:59216 "EHLO bombadil.infradead.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1726307AbfE3RN7 (ORCPT ); Thu, 30 May 2019 13:13:59 -0400 DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=infradead.org; s=bombadil.20170209; h=In-Reply-To:Content-Type:MIME-Version :References:Message-ID:Subject:Cc:To:From:Date:Sender:Reply-To: Content-Transfer-Encoding:Content-ID:Content-Description:Resent-Date: Resent-From:Resent-Sender:Resent-To:Resent-Cc:Resent-Message-ID:List-Id: List-Help:List-Unsubscribe:List-Subscribe:List-Post:List-Owner:List-Archive; bh=QXNL9kos3vvhr0YBbrXLE6785Sr0j7K/kyJsGRxCWZo=; b=aCW4rmAy7Pfqx+sC1ow5UzLj5 S3cVvA1W0r84fyjvp6WDkz705BtgL4tr8bA4RNheok9Z87NBGbO6IxB8x3gy7psxD5OrdO2Fr0Dr3 BzgQNIlDoeNoC0txb++rY4wo7shwMCprqrJdGMvJ0gKfOVWGdfaC3LP8AhGvLZUfpUzJ8vM2Q722l G44gEhQemLG44xdWe2W7d1eUtjnz0TIlF1JHnZOBc4DEJfGBJIVY2E8zqSoJq72uluhFxnEiWwMcx 5mSIzsVzkijJCx1iiqp0lGzjaxU6+Ye0COktFH1ahbrAL5COgyMbYYt6K6oPY1l7wpncviyxbSSVc DkWVPJ30Q==; Received: from willy by bombadil.infradead.org with local (Exim 4.90_1 #2 (Red Hat Linux)) id 1hWOcn-0005ZU-0N; Thu, 30 May 2019 17:13:57 +0000 Date: Thu, 30 May 2019 10:13:56 -0700 From: Matthew Wilcox To: Johannes Weiner Cc: Linus Torvalds , Andrew Morton , linux-mm@kvack.org, cgroups@vger.kernel.org, linux-kernel@vger.kernel.org, kernel-team@fb.com Subject: Re: [PATCH] mm: fix page cache convergence regression Message-ID: <20190530171356.GA19630@bombadil.infradead.org> References: <20190524153148.18481-1-hannes@cmpxchg.org> <20190524160417.GB1075@bombadil.infradead.org> <20190524173900.GA11702@cmpxchg.org> <20190530161548.GA8415@cmpxchg.org> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <20190530161548.GA8415@cmpxchg.org> User-Agent: Mutt/1.9.2 (2017-12-15) Sender: linux-kernel-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On Thu, May 30, 2019 at 12:15:48PM -0400, Johannes Weiner wrote: > Are there any objections or feedback on the proposed fix below? This > is kind of a serious regression. I'll drop it into the xarray tree for merging in a week, if that's ok with you?