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 mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id 4C274C433EF for ; Wed, 29 Sep 2021 17:48:47 +0000 (UTC) Received: from kanga.kvack.org (kanga.kvack.org [205.233.56.17]) by mail.kernel.org (Postfix) with ESMTP id E9F0761529 for ; Wed, 29 Sep 2021 17:48:46 +0000 (UTC) DMARC-Filter: OpenDMARC Filter v1.4.1 mail.kernel.org E9F0761529 Authentication-Results: mail.kernel.org; dmarc=fail (p=none dis=none) header.from=kernel.org Authentication-Results: mail.kernel.org; spf=pass smtp.mailfrom=kvack.org Received: by kanga.kvack.org (Postfix) id 1898994004B; Wed, 29 Sep 2021 13:48:46 -0400 (EDT) Received: by kanga.kvack.org (Postfix, from userid 40) id 139AA94003A; Wed, 29 Sep 2021 13:48:46 -0400 (EDT) X-Delivered-To: int-list-linux-mm@kvack.org Received: by kanga.kvack.org (Postfix, from userid 63042) id 027D494004B; Wed, 29 Sep 2021 13:48:45 -0400 (EDT) X-Delivered-To: linux-mm@kvack.org Received: from forelay.hostedemail.com (smtprelay0214.hostedemail.com [216.40.44.214]) by kanga.kvack.org (Postfix) with ESMTP id E66AC94003A for ; Wed, 29 Sep 2021 13:48:45 -0400 (EDT) Received: from smtpin37.hostedemail.com (10.5.19.251.rfc1918.com [10.5.19.251]) by forelay03.hostedemail.com (Postfix) with ESMTP id A78A98249980 for ; Wed, 29 Sep 2021 17:48:45 +0000 (UTC) X-FDA: 78641346210.37.26280CA Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) by imf06.hostedemail.com (Postfix) with ESMTP id 65368801AB12 for ; Wed, 29 Sep 2021 17:48:45 +0000 (UTC) Received: by mail.kernel.org (Postfix) with ESMTPSA id A106061361; Wed, 29 Sep 2021 17:48:42 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=k20201202; t=1632937724; bh=8bRYESk7HoGUvf9Wpc7n6mnuhVchTufCacY+5UOqb+8=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=gCWrNKDYN2tVGmGm/R5uQbR9+/fg9Hxov0AMyAFqH2pHKkR7FgZ7D8dn57oxNIm3M yWGFUpVTH08UEho9S2pnYuPP9I/5RZzt9/hA64oxMsQElA37NGiFq5iYkZm24CnT2h wAj4Rrul1Znn9xfjPevJGdb1Q4j3c9GWkfp1fLfGca+aGXg1Yhg37a5bCsohODIXSM kI/ZXRzyFTq2Y6UMNur36cp2nP60DJAxkmIvXzDK+r6xvZQFNNcfGOhtmWVjDWIXGE p+sLpU6zxXW9GFqgo04F7vktnHV44OY7f8705koWFEop7rh1aQIO5rOX9//ATHd0Rg o85PxjL4H0FRg== From: Will Deacon To: Chris Goldsworthy , Andrew Morton Cc: catalin.marinas@arm.com, kernel-team@android.com, Will Deacon , linux-kernel@vger.kernel.org, linux-arm-kernel@lists.infradead.org, linux-mm@kvack.org, Georgi Djakov , Sudarshan Rajagopalan , David Hildenbrand Subject: Re: arm64: mm: update max_pfn after memory hotplug Date: Wed, 29 Sep 2021 18:48:27 +0100 Message-Id: <163293186685.928897.8618689831730989496.b4-ty@kernel.org> X-Mailer: git-send-email 2.20.1 In-Reply-To: References: MIME-Version: 1.0 Content-Type: text/plain; charset="utf-8" Authentication-Results: imf06.hostedemail.com; dkim=pass header.d=kernel.org header.s=k20201202 header.b=gCWrNKDY; spf=pass (imf06.hostedemail.com: domain of will@kernel.org designates 198.145.29.99 as permitted sender) smtp.mailfrom=will@kernel.org; dmarc=pass (policy=none) header.from=kernel.org X-Rspamd-Server: rspam04 X-Rspamd-Queue-Id: 65368801AB12 X-Stat-Signature: 44a5apb9d4nmnxutr6wyeofutq869681 X-HE-Tag: 1632937725-772673 Content-Transfer-Encoding: quoted-printable 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, 28 Sep 2021 11:51:48 -0700, Chris Goldsworthy wrote: > Follow up of RFC patch: >=20 > https://lore.kernel.org/linux-mm/a3bf84c4-8f35-f273-145c-55928a06f332@q= uicinc.com/T/#m219937b1acdd40318bbe90ab39f187804775eb74 >=20 > On arm64 we set max_pfn at boot in arch/arm64/mm/init.c. If you > hotplug in memory after booting up, max_pfn is not updated. This > breaks diagnostic functions executed from user space like > read_page_owner(): >=20 > [...] Applied to arm64 (for-next/mm), thanks! [1/1] arm64: mm: update max_pfn after memory hotplug https://git.kernel.org/arm64/c/8fac67ca236b Cheers, --=20 Will https://fixes.arm64.dev https://next.arm64.dev https://will.arm64.dev