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 DEC0B183CA6 for ; Sun, 16 Mar 2025 06:18:46 +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=1742105927; cv=none; b=ipVPMpKbiET1lLSgJy+dAYPQdpOoAcP1+euLIn0uKklPmKAdJv2chhrLgnUd7ZK2xEVTJw4sXZEYYhdltmhwAo2+h0+Sd97/7VV41zXfVCaeKg/H3UGJfWTrGl/WsCejbFiVRqGEYOEXQdoG5j/kIljaiUGyBIM/O/02tAaN5Ak= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1742105927; c=relaxed/simple; bh=Ah10rKYcjyaSSlg1htMaR/wZIK/wGG31pMzC+H6aJpM=; h=Date:From:To:Cc:Subject:Message-ID:References:MIME-Version: Content-Type:Content-Disposition:In-Reply-To; b=JcjjPamA+z9EYSrETP38DRxm4n39/cCIFYLYp0OOqCFNs5sTKJ6KI3TeHBtQZGDIDoDc7ikQrAnZaT3z4HpsVd0GxU9BrJX43j641PMcjWD1xgn0vr9zURPQSEAD+6H/Q9IKqa4HdaX5PDhZ8mVxRWF1LlxnvbkjD5TXArf68oo= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dkim=pass (1024-bit key) header.d=linuxfoundation.org header.i=@linuxfoundation.org header.b=Yg/1t/vm; 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="Yg/1t/vm" Received: by smtp.kernel.org (Postfix) with ESMTPSA id 146D8C4CEDD; Sun, 16 Mar 2025 06:18:45 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=linuxfoundation.org; s=korg; t=1742105926; bh=Ah10rKYcjyaSSlg1htMaR/wZIK/wGG31pMzC+H6aJpM=; h=Date:From:To:Cc:Subject:References:In-Reply-To:From; b=Yg/1t/vmbPS0VndaXE+lTwBo4fV8y0EtnGZlAHCoVGqVlSJ74XfWEFzx1n8BtyUfJ zN6xBtbFg45MKh+gXV4Rmy5iQ88D93l3SOnt/jngGHsbKgAUv3u/dUR40RPtklB9WK VxIRZOUHoU7HWqoEm6fZLlBJ5pJKBwfKl4LidMBs= Date: Sun, 16 Mar 2025 07:18:30 +0100 From: Greg KH To: Abdelkareem Abdelsaamad Cc: stable@vger.kernel.org, Chen Ridong , Michal Hocko , Roman Gushchin , Johannes Weiner , Shakeel Butt , Muchun Song , Michal =?iso-8859-1?Q?Koutn=FD?= , Andrew Morton , Sasha Levin Subject: Re: [PATCH 5.10.y] memcg: fix soft lockup in the OOM process Message-ID: <2025031612-ninth-evident-6dcb@gregkh> References: <20250313180309.41770-1-kareemem@amazon.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: <20250313180309.41770-1-kareemem@amazon.com> On Thu, Mar 13, 2025 at 06:03:09PM +0000, Abdelkareem Abdelsaamad wrote: > From: Chen Ridong > > [ Upstream commit ade81479c7dda1ce3eedb215c78bc615bbd04f06 ] > > A soft lockup issue was found in the product with about 56,000 tasks were > in the OOM cgroup, it was traversing them when the soft lockup was > triggered. Why are you submitting backports for commits already in the requested stable trees? confused, greg k-h