Received: by 2002:a05:7412:5112:b0:fa:6e18:a558 with SMTP id fm18csp13136rdb; Mon, 22 Jan 2024 10:16:36 -0800 (PST) X-Google-Smtp-Source: AGHT+IHSW0PWTkcOJGkahqGdV5g6qlSSY2JUOpqDm6lJWkmwvTAyi7lK+2voDriJnoGCt8tH9ntQ X-Received: by 2002:a05:620a:a11:b0:783:8505:6a7c with SMTP id i17-20020a05620a0a1100b0078385056a7cmr4694431qka.134.1705947396594; Mon, 22 Jan 2024 10:16:36 -0800 (PST) ARC-Seal: i=2; a=rsa-sha256; t=1705947396; cv=pass; d=google.com; s=arc-20160816; b=BwWWyGXp1Jm039Ln4LDyEZB84m9fE0hEbnEnFT1aJBBBHPfM66kySfRTp3OBFENzeG 4OYjJGiw3p1CelS6bMKhh4FgTfds+C+7cnex+0dpSCxSK9ZeyjRFjKgs3GRCR7Tmc0LL VK8nJYRVR+UmbIPvEAMB6lw0pK8d/pwvFIvuED5MBOqIghXWtXr/FakHHiUUmK68zlT6 Q4DRgikWia49gmvp5z/c27heR10FKHO8i1X0q8y2L3/6LSteOfhXOCQRJHkYsrSJPTJT Z6+knwxxtdrdqhIQqlTvIyIeZzOciAmPYXiJgJeY/BzSWkdix1kINUlP89MWxp1H7Cc0 qYgg== ARC-Message-Signature: i=2; a=rsa-sha256; c=relaxed/relaxed; d=google.com; s=arc-20160816; h=in-reply-to:content-disposition:mime-version:list-unsubscribe :list-subscribe:list-id:precedence:references:message-id:subject:cc :to:from:date:dkim-signature; bh=l4wN9EdMygZsBBCF5mhCO0i54cPSmgol+A6MdG/RPWc=; fh=IO/nibKzHt28ScYR+m57OIbmKgLZpZGHgwn7BpClemk=; b=h7aW46D+dGwzeFDQZBfXecNRQVG1y4Wz6PFCdnJTDMZeJCxf8EX32m+1NOLVx74UA1 MbRPnrrUoLuBeZAW6tKApQpjpM+vP/pbQIR+30vyiGZXE8TABHg4vMjEI/cjMKmXviwH IEJ4TmhX/+6q6eyQeXeJc1WXLq1tBzSwTVeV0OsihKl/xYnV77f4tK79Go8+2kYJJTKI JCHi2sViW9aAEMXD6QBD5EmwLdWoZfNQ6mI2m5o6R/fSZlLTMCQ4PzAQ/rSamfz0JFYp rRBsKy6jdURCErRXkNtpGNyoGImZiDTJRg6mNqPjdYHiwv0Iv8thn2DqWg6Uvg5kG5+r /rQQ== ARC-Authentication-Results: i=2; mx.google.com; dkim=pass header.i=@linuxfoundation.org header.s=korg header.b=ACLB1y0X; arc=pass (i=1 dkim=pass dkdomain=linuxfoundation.org); spf=pass (google.com: domain of linux-kernel+bounces-33848-linux.lists.archive=gmail.com@vger.kernel.org designates 147.75.199.223 as permitted sender) smtp.mailfrom="linux-kernel+bounces-33848-linux.lists.archive=gmail.com@vger.kernel.org"; dmarc=pass (p=NONE sp=NONE dis=NONE) header.from=linuxfoundation.org Return-Path: Received: from ny.mirrors.kernel.org (ny.mirrors.kernel.org. [147.75.199.223]) by mx.google.com with ESMTPS id p1-20020a05620a112100b007833cd150c0si6020639qkk.200.2024.01.22.10.16.36 for (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Mon, 22 Jan 2024 10:16:36 -0800 (PST) Received-SPF: pass (google.com: domain of linux-kernel+bounces-33848-linux.lists.archive=gmail.com@vger.kernel.org designates 147.75.199.223 as permitted sender) client-ip=147.75.199.223; Authentication-Results: mx.google.com; dkim=pass header.i=@linuxfoundation.org header.s=korg header.b=ACLB1y0X; arc=pass (i=1 dkim=pass dkdomain=linuxfoundation.org); spf=pass (google.com: domain of linux-kernel+bounces-33848-linux.lists.archive=gmail.com@vger.kernel.org designates 147.75.199.223 as permitted sender) smtp.mailfrom="linux-kernel+bounces-33848-linux.lists.archive=gmail.com@vger.kernel.org"; dmarc=pass (p=NONE sp=NONE dis=NONE) header.from=linuxfoundation.org Received: from smtp.subspace.kernel.org (wormhole.subspace.kernel.org [52.25.139.140]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by ny.mirrors.kernel.org (Postfix) with ESMTPS id 1FCDB1C27750 for ; Mon, 22 Jan 2024 18:16:08 +0000 (UTC) Received: from localhost.localdomain (localhost.localdomain [127.0.0.1]) by smtp.subspace.kernel.org (Postfix) with ESMTP id 2FE834654A; Mon, 22 Jan 2024 17:41:41 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; dkim=pass (1024-bit key) header.d=linuxfoundation.org header.i=@linuxfoundation.org header.b="ACLB1y0X" Received: from smtp.kernel.org (aws-us-west-2-korg-mail-1.web.codeaurora.org [10.30.226.201]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id 5596746534; Mon, 22 Jan 2024 17:41:39 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=10.30.226.201 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1705945300; cv=none; b=RIZWzOFQfpmhfKCiYMgwJQ89cqKE2FiFAzinoW+KJpmQrbz7mTz6ufGirsAWmEM4TckeK5/xISzxFaaHpwPDjWDb8CIeSaqnhIb/1wjQTnNYH4NUoVfudOeuer0d5Lzaen8PZAylg2vsRdc+lM3NIVi7KxQ7c59fYV2cveXKSmU= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1705945300; c=relaxed/simple; bh=EjB54Fiuvky1GDd2UuuoLzSaTR4idN7GX5Je3M57nhc=; h=Date:From:To:Cc:Subject:Message-ID:References:MIME-Version: Content-Type:Content-Disposition:In-Reply-To; b=umCtwo1eJr/PozBpITK4fW7C7PQwrCVVuRR9yol9S7JYb268HZamzIOL1FWdrMs5Ygzv85jilaZw2PFE3izyeo6pIbBxbJhmX9qdEGmuWzAwJwSrXSkmMn8UMz/z+qo2yprrBUIfzFG2QSVeG6cx6kjZWuxASqfUVp3B3hzFZdQ= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dkim=pass (1024-bit key) header.d=linuxfoundation.org header.i=@linuxfoundation.org header.b=ACLB1y0X; arc=none smtp.client-ip=10.30.226.201 Received: by smtp.kernel.org (Postfix) with ESMTPSA id 7C1CEC433F1; Mon, 22 Jan 2024 17:41:39 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=linuxfoundation.org; s=korg; t=1705945299; bh=EjB54Fiuvky1GDd2UuuoLzSaTR4idN7GX5Je3M57nhc=; h=Date:From:To:Cc:Subject:References:In-Reply-To:From; b=ACLB1y0XJWt7hI2oMVBuNN3bYiNC15yy/6Qq3gBj8pXjbs5BmnUUkW0sBad5KtcXv EYoT3V7XVJpQ2tnhpefJ58y13gx8deGhPBKsQbeJ6vYCx6EzmcYp9due6WtM0hSKxb 4padF4ADH4UZJ4Q6nv1umPlhfZlXJO2F341PWwPk= Date: Mon, 22 Jan 2024 09:41:38 -0800 From: Greg KH To: Joakim Tjernlund Cc: "quic_charante@quicinc.com" , "david@redhat.com" , "mhocko@suse.com" , "akpm@linux-foundation.org" , "linux-mm@kvack.org" , "hannes@cmpxchg.org" , "mgorman@techsingularity.net" , "linux-kernel@vger.kernel.org" , "quic_pkondeti@quicinc.com" , "vbabka@suse.cz" , "stable@vger.kernel.org" , "quic_cgoldswo@quicinc.com" Subject: Re: [RESEND PATCH V2] mm: page_alloc: unreserve highatomic page blocks before oom Message-ID: <2024012205-undrilled-those-2435@gregkh> References: <1700823445-27531-1-git-send-email-quic_charante@quicinc.com> <3fe3b3edd33cd784071dd9b459d20a79605ec918.camel@infinera.com> Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <3fe3b3edd33cd784071dd9b459d20a79605ec918.camel@infinera.com> On Thu, Jan 18, 2024 at 05:23:58PM +0000, Joakim Tjernlund wrote: > Could this patch be backported to stable? I have seen similar OOMs with > reserved_highatomic:4096KB > > Upstream commit: 04c8716f7b0075def05dc05646e2408f318167d2 Backported to exactly where? This commit is in the 4.20 kernel and newer, please tell me you aren't relying on the 4.19.y kernel anymore... thanks, greg k-h