From mboxrd@z Thu Jan 1 00:00:00 1970 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 Authentication-Results: smtp.subspace.kernel.org; dkim=pass (1024-bit key) header.d=linuxfoundation.org header.i=@linuxfoundation.org header.b="ACLB1y0X" 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: stable@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