From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org Received: from kanga.kvack.org (kanga.kvack.org [205.233.56.17]) by smtp.lore.kernel.org (Postfix) with ESMTP id 3FBE4C00140 for ; Mon, 15 Aug 2022 11:38:29 +0000 (UTC) Received: by kanga.kvack.org (Postfix) id 637B38D0002; Mon, 15 Aug 2022 07:38:28 -0400 (EDT) Received: by kanga.kvack.org (Postfix, from userid 40) id 5E6828D0001; Mon, 15 Aug 2022 07:38:28 -0400 (EDT) X-Delivered-To: int-list-linux-mm@kvack.org Received: by kanga.kvack.org (Postfix, from userid 63042) id 4D5768D0002; Mon, 15 Aug 2022 07:38:28 -0400 (EDT) X-Delivered-To: linux-mm@kvack.org Received: from relay.hostedemail.com (smtprelay0017.hostedemail.com [216.40.44.17]) by kanga.kvack.org (Postfix) with ESMTP id 3E5918D0001 for ; Mon, 15 Aug 2022 07:38:28 -0400 (EDT) Received: from smtpin14.hostedemail.com (a10.router.float.18 [10.200.18.1]) by unirelay05.hostedemail.com (Postfix) with ESMTP id 526F640336 for ; Mon, 15 Aug 2022 11:38:27 +0000 (UTC) X-FDA: 79801629054.14.6ED07B8 Received: from ams.source.kernel.org (ams.source.kernel.org [145.40.68.75]) by imf12.hostedemail.com (Postfix) with ESMTP id AE261401B0 for ; Mon, 15 Aug 2022 11:38:26 +0000 (UTC) Received: from smtp.kernel.org (relay.kernel.org [52.25.139.140]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by ams.source.kernel.org (Postfix) with ESMTPS id EC0A6B80DF1; Mon, 15 Aug 2022 11:38:24 +0000 (UTC) Received: by smtp.kernel.org (Postfix) with ESMTPSA id 15A69C433C1; Mon, 15 Aug 2022 11:38:22 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=linuxfoundation.org; s=korg; t=1660563503; bh=00iWghXu1D8BGFfHNyrQsbQ26GA+h94ZxRBfNbIXA7g=; h=Date:From:To:Cc:Subject:References:In-Reply-To:From; b=kU3QwHmueOr4jIcgECpKsNb0gb2I85a9KO0t4UmgEQ+cBq2AD2CxjJELaMN7aVU9F pm+8v2UDHFXVTIgofOsTgj5iZWB93ZXft3YiGfmgT/AAWgDRF4KOfEyLghADVDyj6c qDNM3j6+kOfJefa64qVSQIfWHbPZ7N4iJsRZLQ2M= Date: Mon, 15 Aug 2022 13:38:20 +0200 From: Greg Kroah-Hartman To: Petr Vorel Cc: stable@vger.kernel.org, linux-mm@kvack.org, Michal Hocko , Naoya Horiguchi , Naoya Horiguchi , Andrew Morton , William Roche , ltp@lists.linux.it Subject: Re: Backport d4ae9916ea29 ("mm: soft-offline: close the race against page allocation") to 4.14 and 4.9 Message-ID: References: MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: ARC-Authentication-Results: i=1; imf12.hostedemail.com; dkim=pass header.d=linuxfoundation.org header.s=korg header.b=kU3QwHmu; spf=pass (imf12.hostedemail.com: domain of gregkh@linuxfoundation.org designates 145.40.68.75 as permitted sender) smtp.mailfrom=gregkh@linuxfoundation.org; dmarc=pass (policy=none) header.from=linuxfoundation.org ARC-Seal: i=1; s=arc-20220608; d=hostedemail.com; t=1660563507; a=rsa-sha256; cv=none; b=ybaRn6MWOgmvbTay/4QB/cL/JAFEPAWGyjmAFzbhWK83YtmJbicki3aNgyfmuAGHOxUxf6 Te7FmZ5Vojq2ttBUxmvCqq1CglxhhZwefSLrQS36DXUYk8y4UoX0DxMV8JgHRVm/0y0T7x 4zSFcaQCQsxpJFHTN/KMN5GO1w8tn5Q= ARC-Message-Signature: i=1; a=rsa-sha256; c=relaxed/relaxed; d=hostedemail.com; s=arc-20220608; t=1660563507; h=from:from:sender:reply-to:subject:subject:date:date: message-id:message-id:to:to:cc:cc:mime-version:mime-version: content-type:content-type:content-transfer-encoding: in-reply-to:in-reply-to:references:references:dkim-signature; bh=WeuED8fEpXC44nlExr/Qqcxhd3/CE7Eqi1fiTcEPgHw=; b=H+Cfe52q+LTnPVM0vPFHx4mJxRYKj8q6atbeyVQXCDcsl2PkSCfX/ut/OulJgaYqHfy4JL rWe12klz7QPlPZG4i7hWLja4rGcyBKPPtHD5jsufDCVp1yN23lzQ/LuFldqFaiSQFf2VXI pJLFg4SryoDQ9TTGNBe55kk85PlQz6Q= Authentication-Results: imf12.hostedemail.com; dkim=pass header.d=linuxfoundation.org header.s=korg header.b=kU3QwHmu; spf=pass (imf12.hostedemail.com: domain of gregkh@linuxfoundation.org designates 145.40.68.75 as permitted sender) smtp.mailfrom=gregkh@linuxfoundation.org; dmarc=pass (policy=none) header.from=linuxfoundation.org X-Rspamd-Server: rspam07 X-Rspamd-Queue-Id: AE261401B0 X-Stat-Signature: np3d8rf5x6a68m6cosww5poibpq9df9w X-Rspam-User: X-HE-Tag: 1660563506-774962 X-Bogosity: Ham, tests=bogofilter, spamicity=0.000000, version=1.2.4 Sender: owner-linux-mm@kvack.org Precedence: bulk X-Loop: owner-majordomo@kvack.org List-ID: On Mon, Aug 15, 2022 at 01:10:07PM +0200, Petr Vorel wrote: > Hi all, > > I wonder if there was an attempt to backport d4ae9916ea29 ("mm: soft-offline: > close the race against page allocation") from 4.19 to 4.14 and 4.9 (patch does > not apply, haven't found anything on stable ML, nor in stable tree git, > therefore I assume it was left as not easily fixable). As it didn't apply, why not try creating a backport to test this yourself? I'll gladly accept such a thing into the trees if you make it. thanks, greg k-h