Received: by 2002:a05:6a10:f3d0:0:0:0:0 with SMTP id a16csp650246pxv; Fri, 9 Jul 2021 06:13:07 -0700 (PDT) X-Google-Smtp-Source: ABdhPJwNFIk3ddHGww5s45/SJOL3K6ELL1yF7pXmMHOsFbw99/zvrWkt2JAXVfG+Lh4Kh6cF7AcD X-Received: by 2002:a17:906:4fce:: with SMTP id i14mr27885506ejw.231.1625836387528; Fri, 09 Jul 2021 06:13:07 -0700 (PDT) ARC-Seal: i=1; a=rsa-sha256; t=1625836387; cv=none; d=google.com; s=arc-20160816; b=BCgvesbOglg/FhphpptFkbILJLjHuL+Mt+eMRzqU46DXpc5Oe0niLsGl1jFEDVKsBp VxJhPEadordOAXy6ulaqHiHxV2WX9sTh+wA/p3AzmY6Wa3l+5epULBmFnjVig3pe1sRT Qk6lRKb754lUceQ9BAzKPczGFAxZ5SczPjrO93mV5yxNOftlcqNKRJR0K7aNYlguC9ZI IvWsLBBN034lRwDAOjpGfaTWHcNu/fgd6dFjSGRC2emDKNQrDDAvR5RdPcuTX0932238 7JQ7psXwsbOsQqsKCJ2iqu/fuzUw0XrsRHHI0ppe/k7XMiXu8x8/EMhAjiaMVZqKOBD+ +nkQ== 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=AxMIlOmaQ4Uu2aXRanEA5LyfXIZ8Qn+vel6oh6biIdI=; b=SbGv6aUIxrO4H4lrEJWZkL0WdU9wbqIMpLMImyUoTh3YT9LahhSVrNMf3tk6qA1hIj YUNahQDdmEinD8LP41yxVRr1cDJXwBGGSXrRJTmORtvKe3lQUiXtEbyFf9AGKXC46IdI sAir0Lv2vWzrVg3JpAZ/DwhGI42ga1gHAIWnc3E8wn/YW2A+IlxJyU9Mzcpyhl8RWiou sXrTi7yZe6BjbkLgPBPtvZhY6BcaEDzI5ONXRjIT7BT+TpuJRGshOBpa+bjckggmF9vG p//hwu+fjbTBER4YwKoUYTxqJwIYApA3r1PrUgHOBuShw+cJQkoyCI4y/AiNYVkHz+H8 z2Jw== ARC-Authentication-Results: i=1; mx.google.com; dkim=pass header.i=@canonical.com header.s=20210705 header.b=q3tfLZaS; 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=canonical.com Return-Path: Received: from vger.kernel.org (vger.kernel.org. [23.128.96.18]) by mx.google.com with ESMTP id e6si6746212ejk.740.2021.07.09.06.12.41; Fri, 09 Jul 2021 06:13:07 -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=@canonical.com header.s=20210705 header.b=q3tfLZaS; 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=canonical.com Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S231660AbhGINM1 (ORCPT + 99 others); Fri, 9 Jul 2021 09:12:27 -0400 Received: from smtp-relay-canonical-1.canonical.com ([185.125.188.121]:36158 "EHLO smtp-relay-canonical-1.canonical.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S231419AbhGINM0 (ORCPT ); Fri, 9 Jul 2021 09:12:26 -0400 X-Greylist: delayed 555 seconds by postgrey-1.27 at vger.kernel.org; Fri, 09 Jul 2021 09:12:26 EDT Received: from canonical.com (1.general.ppisati.uk.vpn [10.172.193.134]) (using TLSv1.3 with cipher TLS_AES_256_GCM_SHA384 (256/256 bits) key-exchange ECDHE (P-256) server-signature RSA-PSS (2048 bits) server-digest SHA256) (No client certificate requested) by smtp-relay-canonical-1.canonical.com (Postfix) with ESMTPSA id 201A0401BE; Fri, 9 Jul 2021 13:00:27 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=canonical.com; s=20210705; t=1625835627; bh=AxMIlOmaQ4Uu2aXRanEA5LyfXIZ8Qn+vel6oh6biIdI=; h=Date:From:To:Subject:Message-ID:MIME-Version:Content-Type; b=q3tfLZaSZGGU3NKlgimJLilAZHAPCZhronAZHCtRxrmgjXHnpEozeEERPe4CW7jvV kHi+KxtSEUZzM2wNeqByfuAs71qNWMeyGJLYCBXiYzcl5nCq0NmwjYPECjZRKFFENZ jBl20UfKcLVUgoKG41AxNjLzpm16IHKcfwNHAHbURO4vgmvZ1cL/3cA6vgbU3kMBjS KHd4U4M79eOLq3EfKZBE4A/96Yjks8PBjW9vUIF6s1XFKy2dsWT4Ix6IEZtBS1anci JVY9QaAWQ4EnCFNwTWxn6tv5rtRQGl1QF4f6NCJK/JXBdQn7Cb/oTdDEllut5Wiq5I idE1Zz7toPa5A== Date: Fri, 9 Jul 2021 15:00:26 +0200 From: Paolo Pisati To: Shuah Khan Cc: linux-kselftest@vger.kernel.org, linux-kernel@vger.kernel.org Subject: Re: [PATCH] selftests: memory-hotplug: avoid spamming logs with dump_page(), ratio limit hot-remove error test Message-ID: References: <20210630145740.54614-1-paolo.pisati@canonical.com> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <20210630145740.54614-1-paolo.pisati@canonical.com> Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On Wed, Jun 30, 2021 at 04:57:40PM +0200, Paolo Pisati wrote: > While the offline memory test obey ratio limit, the same test with error > injection does not and tries to offline all the hotpluggable memory, spamming > system logs with hundreds of thousands of dump_page() entries, slowing system > down (to the point the test itself timeout and gets terminated) and excessive fs > occupation: > > ... Anyone with spare cycles could review this? It got one ack already. -- bye, p.