Received: by 2002:a05:6a10:206:0:0:0:0 with SMTP id 6csp801742pxj; Thu, 20 May 2021 22:53:35 -0700 (PDT) X-Google-Smtp-Source: ABdhPJypUmyaRS9/xame9htiqyeFv8NrxjR/Zf3r4A2aWo5+CqSj1rouSRKMKyQmroL9mhcFuz/C X-Received: by 2002:aa7:db93:: with SMTP id u19mr9164176edt.227.1621576415481; Thu, 20 May 2021 22:53:35 -0700 (PDT) ARC-Seal: i=1; a=rsa-sha256; t=1621576415; cv=none; d=google.com; s=arc-20160816; b=TvNZZ7AZcgBaY/qUSVn2WN/H6Nq9Y0LnuVXmPbM4sOkziacuLC9It1nyuch3y8GxQb Avrw25l3Xs5eLASJcz7RhTVH5O5ROrngTRiz/fysykxQU0CJemD2G46BUJXNrV4xxqyn hvOS28/LITMMQs3FCoNAG5HGCpmBwKgCdSFiIs5OG1gW5BhExhbEL96Y2DkvlpgmXLM8 vyJu0pIAKK/rxduZDqpaDb+FpytYJs+tNugkuxfJPDntOTLgIrGpAaaK6fHAxKeKjgn7 NBZ3/fLxzJbQhRokPo/dhhELKfhRNmtgrXVcu3NrMVCkpGdHeT1QbJOTXPjiYVw2AvP8 m9vw== ARC-Message-Signature: i=1; a=rsa-sha256; c=relaxed/relaxed; d=google.com; s=arc-20160816; h=list-id:precedence:in-reply-to:content-disposition:mime-version :references:message-id:subject:cc:to:from:date:dkim-signature; bh=eWdIomCLFx44iRm8WuQiWInpjpi2ZWHex+bxzF8XYn8=; b=DDtjrHHTqcumC8CyJXd4yDWcLWF3CxgwiBJF3hgDcMy81mpnNSjbKq8WKIWdr9Ns5j rocsEPxz91/KAU+F7tc9hVSwi4JIBNdU+DB/M4t/SC+yqW8ecLiaKyfYTj51NquqcBFe 8w1z3lrRVS8npIK8dPwtrSD81OJMi9wt72vBeTogqe5Dr56fAjjVUgKb0okAFjTDOz0H ow0JHXo9eF7j3pFP0zuUJh6BQ+bbAgQrjQokXCp/9g86FXkZL+/994Zra1dOb6NBhNEg Bqgw6LiDt0bN9TRVvWKnX7a4DV1OU7utPS4PM42lcEfX2DUzsyQnvCVpPbclZqtPsbxk Gd9A== ARC-Authentication-Results: i=1; mx.google.com; dkim=pass header.i=@redhat.com header.s=mimecast20190719 header.b=XCibdSh0; 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; dmarc=pass (p=NONE sp=NONE dis=NONE) header.from=redhat.com Return-Path: Received: from vger.kernel.org (vger.kernel.org. [23.128.96.18]) by mx.google.com with ESMTP id k16si4587475ejd.368.2021.05.20.22.52.53; Thu, 20 May 2021 22:53:35 -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=@redhat.com header.s=mimecast20190719 header.b=XCibdSh0; 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; dmarc=pass (p=NONE sp=NONE dis=NONE) header.from=redhat.com Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S238426AbhETNbg (ORCPT + 99 others); Thu, 20 May 2021 09:31:36 -0400 Received: from us-smtp-delivery-124.mimecast.com ([170.10.133.124]:53300 "EHLO us-smtp-delivery-124.mimecast.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S231733AbhETNbd (ORCPT ); Thu, 20 May 2021 09:31:33 -0400 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=redhat.com; s=mimecast20190719; t=1621517412; h=from:from:reply-to:subject:subject:date:date:message-id:message-id: to:to:cc:cc:mime-version:mime-version:content-type:content-type: in-reply-to:in-reply-to:references:references; bh=eWdIomCLFx44iRm8WuQiWInpjpi2ZWHex+bxzF8XYn8=; b=XCibdSh0n7NDX6PftY6lDpawUgJdvmuVNWzp4lqB3SYwyNGHDV00+68yRdmZvlQRWm3pnS A5I5KN9RRYvPMEkY7xlCjg/I2OVWSuL9+kfR02sa7/1xutHLDpeeisCOCeldTdvx6zti4l DMBFULs+gbF7SUAfB4izQ8rxr5pwML8= Received: from mail-wm1-f69.google.com (mail-wm1-f69.google.com [209.85.128.69]) (Using TLS) by relay.mimecast.com with ESMTP id us-mta-192-kDSsFFbWPoyjlK8INQP0VA-1; Thu, 20 May 2021 09:30:10 -0400 X-MC-Unique: kDSsFFbWPoyjlK8INQP0VA-1 Received: by mail-wm1-f69.google.com with SMTP id z1-20020a1c7e010000b0290179806d11d4so1232884wmc.3 for ; Thu, 20 May 2021 06:30:10 -0700 (PDT) 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=eWdIomCLFx44iRm8WuQiWInpjpi2ZWHex+bxzF8XYn8=; b=AGHg8FvI6zyk0EXnNiNwSbl2Rjs7rKbPejhRzo8nkCbZUA0TRKpeouesWR2JZ327dW Ii7UkhCx7pbcMcA2eaeXXy0Re36VgIi15kg0B6gjZXOT09OlUZXfhxO+Lsy41xzExA9y DnoSott/ZijdJ9NLFSqdKcu9O7Ialn/J01E+6Gu3EP6OhCN65ZZk7X6YI2NbE5a+PyKB Zov1qhLEPLi2X4rb1LxyojYBd9U8SQcTk5X2gKC4CUmEBwZtgdez0ckleyUVIJprA9I+ q2qRnZYSQdBVX4bravPOeADlcSc/hRhaPQ83cgtGE14hCDP1erVFuU1gJAZJA8wSpSZC I7ug== X-Gm-Message-State: AOAM530FTVDlLQgIFwwUAm97HJiqlFwbPz9b0iVhCXZTpEMPdKSlDeQi MsL0H4qy0N+JvYOQRgQaamBbFLRY7sJaeKVIhjhVkizBfcXsh8tliXVlOCWVg+HrFzw9MjLP/Lp ejKAVRBKT009+eVsFhuyn0Ik= X-Received: by 2002:adf:f8c4:: with SMTP id f4mr4340254wrq.65.1621517409126; Thu, 20 May 2021 06:30:09 -0700 (PDT) X-Received: by 2002:adf:f8c4:: with SMTP id f4mr4340240wrq.65.1621517408969; Thu, 20 May 2021 06:30:08 -0700 (PDT) Received: from localhost (cpc111743-lutn13-2-0-cust979.9-3.cable.virginm.net. [82.17.115.212]) by smtp.gmail.com with ESMTPSA id o129sm9391914wmo.22.2021.05.20.06.30.08 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Thu, 20 May 2021 06:30:08 -0700 (PDT) Date: Thu, 20 May 2021 14:30:07 +0100 From: Aaron Tomlin To: Matthew Wilcox Cc: Vlastimil Babka , Andrew Morton , linux-mm@kvack.org, mhocko@suse.com, linux-kernel@vger.kernel.org Subject: Re: [PATCH v3] mm/page_alloc: bail out on fatal signal during reclaim/compaction retry attempt Message-ID: <20210520133007.ybkc7ft5g5b3d7ds@ava.usersys.com> X-PGP-Key: http://pgp.mit.edu/pks/lookup?search=atomlin%40redhat.com X-PGP-Fingerprint: 7906 84EB FA8A 9638 8D1E 6E9B E2DE 9658 19CC 77D6 References: <20210519201743.3260890-1-atomlin@redhat.com> <20210519213455.97ff95f0124b4120787f8314@linux-foundation.org> <9b11dcd8-bc3b-aae9-feb1-43543bf9e22f@suse.cz> <20210520114257.huqhkqsdrhohn3u5@ava.usersys.com> MIME-Version: 1.0 Content-Type: text/plain; charset=utf-8 Content-Disposition: inline In-Reply-To: Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Matthew, On Thu 2021-05-20 12:56 +0100, Matthew Wilcox wrote: > While this is true, it's not really answering Andrew's question. > What we want as part of the commit message is something like: > > "A customer experienced a low memory situation and sent their task a > fatal signal. Instead of dying promptly, it looped in the page > allocator failing to make progress because ..." Apologies, I did not understand - I will follow up with a v4. Kind regards, -- Aaron Tomlin