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 X-Spam-Level: X-Spam-Status: No, score=-0.8 required=3.0 tests=DKIMWL_WL_HIGH,DKIM_SIGNED, DKIM_VALID,HEADER_FROM_DIFFERENT_DOMAINS,MAILING_LIST_MULTI,SPF_HELO_NONE, SPF_PASS autolearn=no autolearn_force=no version=3.4.0 Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id 3370AC33CB1 for ; Thu, 16 Jan 2020 08:34:14 +0000 (UTC) Received: from kanga.kvack.org (kanga.kvack.org [205.233.56.17]) by mail.kernel.org (Postfix) with ESMTP id 05CA32077B for ; Thu, 16 Jan 2020 08:34:13 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=pass (1024-bit key) header.d=kernel.org header.i=@kernel.org header.b="yYoYi3bh" DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org 05CA32077B Authentication-Results: mail.kernel.org; dmarc=none (p=none dis=none) header.from=linuxfoundation.org Authentication-Results: mail.kernel.org; spf=pass smtp.mailfrom=owner-linux-mm@kvack.org Received: by kanga.kvack.org (Postfix) id 8586A8E0054; Thu, 16 Jan 2020 03:34:13 -0500 (EST) Received: by kanga.kvack.org (Postfix, from userid 40) id 82E638E003F; Thu, 16 Jan 2020 03:34:13 -0500 (EST) X-Delivered-To: int-list-linux-mm@kvack.org Received: by kanga.kvack.org (Postfix, from userid 63042) id 76B448E0054; Thu, 16 Jan 2020 03:34:13 -0500 (EST) X-Delivered-To: linux-mm@kvack.org Received: from forelay.hostedemail.com (smtprelay0107.hostedemail.com [216.40.44.107]) by kanga.kvack.org (Postfix) with ESMTP id 6264B8E003F for ; Thu, 16 Jan 2020 03:34:13 -0500 (EST) Received: from smtpin06.hostedemail.com (10.5.19.251.rfc1918.com [10.5.19.251]) by forelay01.hostedemail.com (Postfix) with SMTP id 0306E180AD806 for ; Thu, 16 Jan 2020 08:34:13 +0000 (UTC) X-FDA: 76382835186.06.drain93_5ef7b8adb3e1b X-HE-Tag: drain93_5ef7b8adb3e1b X-Filterd-Recvd-Size: 2280 Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) by imf27.hostedemail.com (Postfix) with ESMTP for ; Thu, 16 Jan 2020 08:34:12 +0000 (UTC) Received: from localhost (static-140-208-78-212.thenetworkfactory.nl [212.78.208.140]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by mail.kernel.org (Postfix) with ESMTPSA id 5340620748; Thu, 16 Jan 2020 08:34:10 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=default; t=1579163650; bh=oB3Kuz80X/AnzqQsD0lo8QTzdhWXofSdjsGKCAOOOOc=; h=Date:From:To:Cc:Subject:References:In-Reply-To:From; b=yYoYi3bhsdrbCumnUc9ufzCuG2UJ9QRlD/O/Aqlc5ny2coTwpOBmL/4K8+n4oMAzC eLnMThkU2dCw+tlaQz7mRhVqwSHgEQJJc0A51tLbEJ0x8e7lVoJUdDV+57r8V7qkV9 A6Lymmr4lBZxAp0BwA6eVhGZkDcwY9UZw+7S6UnU= Date: Thu, 16 Jan 2020 09:34:07 +0100 From: Greg Kroah-Hartman To: David Hildenbrand Cc: stable@vger.kernel.org, linux-mm@kvack.org, Oscar Salvador , Michal Hocko , "Aneesh Kumar K . V" , Dan Williams , Andrew Morton , Laurent Vivier , Baoquan He Subject: Re: [PATCH for 4.19-stable 00/25] mm/memory_hotplug: backport of pending stable fixes Message-ID: <20200116083407.GB2359@kroah.com> References: <20200115153339.36409-1-david@redhat.com> <20200115153927.GC3881751@kroah.com> <4a09f161-e2f1-b506-f0fd-2d6c4ea1437c@redhat.com> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <4a09f161-e2f1-b506-f0fd-2d6c4ea1437c@redhat.com> 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 Wed, Jan 15, 2020 at 04:54:59PM +0100, David Hildenbrand wrote: > > > > And why would 4.9 and 4.4 care about them? > > The crashes can be trigger under 4.9 and 4.4. If we decide that we do > not care, then this series can be dropped. Do we have users of memory hotplug that are somehow stuck at those old versions that can not upgrade? Obviously this didn't work previously for them, so moving to a modern kernel might be a good reason to get this new feature :) thanks, greg k-h