Received: by 2002:a25:868d:0:0:0:0:0 with SMTP id z13csp953171ybk; Wed, 20 May 2020 16:46:30 -0700 (PDT) X-Google-Smtp-Source: ABdhPJx+zzJSjyW3G1VPxJtVMze2Q0Uh06TWwja5MFCRVn/nlPRjYCZl7oAkApl6rwoFqiidbU0k X-Received: by 2002:a17:906:16d3:: with SMTP id t19mr1295601ejd.36.1590018390517; Wed, 20 May 2020 16:46:30 -0700 (PDT) ARC-Seal: i=1; a=rsa-sha256; t=1590018390; cv=none; d=google.com; s=arc-20160816; b=CRCXUfFGzH5RuQhw9tnt4M8k2mUKiElS9NOQn4Xrd137V8JYLnZzfuqXMALQB458us 81l8rCnMhI1tukuUbiVAM6OwF3x05oz2cMcKxMzns9mSW1UJnN9ywfNDHd5UkuncMRvR KLNWKF0SNKUi26NRilHU3cd/+LJhRCTvzlfA17coOwYA4Hw8TQBaguFXKKejThXkyZpS 6T/j3xRRmu7X3qpIWNKrHMYJl1ki4jACo42ruyWEJiBaWolVfaHWWeR6eadoHCmIHQa2 cohgeJ42vnykVIE82Zckwq0+axYs2KVlaOoAucME9IIHqvSB8YE7YP2ZnJkTDJo/VKdS BqPg== 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 :dkim-signature; bh=WehCTYUKrIbBWwRbjGk/FV/PDVypc427uHau1CySj1o=; b=amDy9BPCOvJteQvv55JeFrJPlZJQV21l+tyUXx982++xgev+2nZnukesEA/iHiS7Eh 2avv8GkiqJSZaCCF0WGLliwA0weJtlJ/e4IDZOanvIvEe78TsFJUqjYXhE5W1tmK4dEy G20aI1GSnEQQ3PJXGJrWnUedwJqiFp1YSEfcIupNXsVYBGCylJZTQ5S9M+iwtlBtYNQH ycaykfy7RjCeYGJ1TyqfMtcNWtxSoy3kXxG1WJ0KtBNmIOavkurzzfoBcQ23gJyKKX26 tj29dVtHatadBpJ/YcKdk+ekX+1hkzpVef1LRNLP/rOkmTle56C9th8ESMRcpNzN5gzV OUlg== ARC-Authentication-Results: i=1; mx.google.com; dkim=pass header.i=@kernel.org header.s=default header.b=qJ+3eof3; spf=pass (google.com: domain of linux-kernel-owner@vger.kernel.org designates 23.128.96.18 as permitted sender) smtp.mailfrom=linux-kernel-owner@vger.kernel.org Return-Path: Received: from vger.kernel.org (vger.kernel.org. [23.128.96.18]) by mx.google.com with ESMTP id v22si2538306ejx.259.2020.05.20.16.46.08; Wed, 20 May 2020 16:46:30 -0700 (PDT) Received-SPF: pass (google.com: domain of linux-kernel-owner@vger.kernel.org designates 23.128.96.18 as permitted sender) client-ip=23.128.96.18; Authentication-Results: mx.google.com; dkim=pass header.i=@kernel.org header.s=default header.b=qJ+3eof3; spf=pass (google.com: domain of linux-kernel-owner@vger.kernel.org designates 23.128.96.18 as permitted sender) smtp.mailfrom=linux-kernel-owner@vger.kernel.org Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1727819AbgETXmo (ORCPT + 99 others); Wed, 20 May 2020 19:42:44 -0400 Received: from mail.kernel.org ([198.145.29.99]:36134 "EHLO mail.kernel.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1726688AbgETXmo (ORCPT ); Wed, 20 May 2020 19:42:44 -0400 Received: from localhost.localdomain (c-73-231-172-41.hsd1.ca.comcast.net [73.231.172.41]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by mail.kernel.org (Postfix) with ESMTPSA id B8BD92072C; Wed, 20 May 2020 23:42:43 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=default; t=1590018164; bh=l2mS/FNkusn6YLF9oQ03x6lf0x9xSKXhbjmtXuuKOEU=; h=Date:From:To:Subject:In-Reply-To:References:From; b=qJ+3eof3hck1Gh1nBa2/+j6vwmtmoQW2xYQ0eTC853DIb8H/4+cHCLfaXLzznyRd6 ZFvs8b1FX05UdabsiW4zNAhkt+Oi8JMbHMFNUnude+cklLBNZvcgSEyR+fU9qXbBDa 2AkRUBPbAjt3JLK7Wd6YJ3db43kp8TzLxIItbyQo= Date: Wed, 20 May 2020 16:42:43 -0700 From: Andrew Morton To: Chris Down , Johannes Weiner , Michal Hocko , linux-mm@kvack.org, cgroups@vger.kernel.org, linux-kernel@vger.kernel.org, kernel-team@fb.com Subject: Re: [PATCH] mm, memcg: unify reclaim retry limits with page allocator Message-Id: <20200520164243.56133fa135f65cc708e70ec0@linux-foundation.org> In-Reply-To: <20200520164037.e3598bc902e39415f4c263e7@linux-foundation.org> References: <20200520163142.GA808793@chrisdown.name> <20200520164037.e3598bc902e39415f4c263e7@linux-foundation.org> X-Mailer: Sylpheed 3.5.1 (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 Wed, 20 May 2020 16:40:37 -0700 Andrew Morton wrote: > > -/* The number of times we should retry reclaim failures before giving up. */ > > hm, what tree is this against? Ah, my habit of working in reverse time order sometimes does this ;) I suggest that "mm, memcg: reclaim more aggressively before high allocator throttling" and this patch become a two-patch series?