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[198.145.29.99]) by mx.google.com with ESMTPS id a13si19179202pgh.139.2019.05.07.10.02.09 for (version=TLS1_2 cipher=ECDHE-RSA-AES128-GCM-SHA256 bits=128/128); Tue, 07 May 2019 10:02:09 -0700 (PDT) Received-SPF: pass (google.com: domain of sashal@kernel.org designates 198.145.29.99 as permitted sender) client-ip=198.145.29.99; Authentication-Results: mx.google.com; dkim=pass header.i=@kernel.org header.s=default header.b="g67/5rAM"; spf=pass (google.com: domain of sashal@kernel.org designates 198.145.29.99 as permitted sender) smtp.mailfrom=sashal@kernel.org; dmarc=pass (p=NONE sp=NONE dis=NONE) header.from=kernel.org Received: from localhost (c-73-47-72-35.hsd1.nh.comcast.net [73.47.72.35]) (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 3030A205C9; Tue, 7 May 2019 17:02:09 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=default; t=1557248529; bh=+dH1dylfToIztT6tIsED1NzXkgisvmtolImG8/gDIeU=; h=Date:From:To:Cc:Subject:References:In-Reply-To:From; b=g67/5rAMyjMObT6TuHwzVVr5fhZH+BNj5IA+NG26oX7D7N4Az/RLsgF1Jc+jUk5c+ WAC9pINLyovaABMYNG69uAcI1Z1rL/PoxWrlPNd8yFEF2xS7eu0xqXW/90vGKpIwKR 2kZ9uGjgtwHlfzPHAQvgsHdgIpxzJRUuhzepGMCc= Date: Tue, 7 May 2019 13:02:08 -0400 From: Sasha Levin To: Linus Torvalds Cc: Alexander Duyck , LKML , stable , Mikhail Zaslonko , Gerald Schaefer , Michal Hocko , Michal Hocko , Mikhail Gavrilov , Dave Hansen , Alexander Duyck , Pasha Tatashin , Martin Schwidefsky , Heiko Carstens , Andrew Morton , Sasha Levin , linux-mm Subject: Re: [PATCH AUTOSEL 4.14 62/95] mm, memory_hotplug: initialize struct pages for the full memory section Message-ID: <20190507170208.GF1747@sasha-vm> References: <20190507053826.31622-1-sashal@kernel.org> <20190507053826.31622-62-sashal@kernel.org> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii; format=flowed Content-Disposition: inline In-Reply-To: User-Agent: Mutt/1.10.1 (2018-07-13) 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 Tue, May 07, 2019 at 09:50:50AM -0700, Linus Torvalds wrote: >On Tue, May 7, 2019 at 9:31 AM Alexander Duyck > wrote: >> >> Wasn't this patch reverted in Linus's tree for causing a regression on >> some platforms? If so I'm not sure we should pull this in as a >> candidate for stable should we, or am I missing something? > >Good catch. It was reverted in commit 4aa9fc2a435a ("Revert "mm, >memory_hotplug: initialize struct pages for the full memory >section""). > >We ended up with efad4e475c31 ("mm, memory_hotplug: >is_mem_section_removable do not pass the end of a zone") instead (and >possibly others - this was just from looking for commit messages that >mentioned that reverted commit). I got it wrong then. I'll fix it up and get efad4e475c31 in instead. Thanks! -- Thanks, Sasha