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=-6.7 required=3.0 tests=BAYES_00,DKIMWL_WL_HIGH, DKIM_SIGNED,DKIM_VALID,DKIM_VALID_AU,MAILING_LIST_MULTI,SPF_HELO_NONE, SPF_PASS,URIBL_BLOCKED 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 83EEAC433B4 for ; Sat, 15 May 2021 03:59:08 +0000 (UTC) Received: from kanga.kvack.org (kanga.kvack.org [205.233.56.17]) by mail.kernel.org (Postfix) with ESMTP id 0EC3E610A1 for ; Sat, 15 May 2021 03:59:07 +0000 (UTC) DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org 0EC3E610A1 Authentication-Results: mail.kernel.org; dmarc=fail (p=none dis=none) header.from=kernel.org Authentication-Results: mail.kernel.org; spf=pass smtp.mailfrom=owner-linux-mm@kvack.org Received: by kanga.kvack.org (Postfix) id 08EC46B009B; Fri, 14 May 2021 23:59:07 -0400 (EDT) Received: by kanga.kvack.org (Postfix, from userid 40) id 03D576B009C; Fri, 14 May 2021 23:59:06 -0400 (EDT) X-Delivered-To: int-list-linux-mm@kvack.org Received: by kanga.kvack.org (Postfix, from userid 63042) id E1FB08D0002; Fri, 14 May 2021 23:59:06 -0400 (EDT) X-Delivered-To: linux-mm@kvack.org Received: from forelay.hostedemail.com (smtprelay0007.hostedemail.com [216.40.44.7]) by kanga.kvack.org (Postfix) with ESMTP id AD9886B009B for ; Fri, 14 May 2021 23:59:06 -0400 (EDT) Received: from smtpin09.hostedemail.com (10.5.19.251.rfc1918.com [10.5.19.251]) by forelay04.hostedemail.com (Postfix) with ESMTP id 40A1FA2D0 for ; Sat, 15 May 2021 03:59:06 +0000 (UTC) X-FDA: 78142109892.09.9F21567 Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) by imf27.hostedemail.com (Postfix) with ESMTP id 57DED80192EB for ; Sat, 15 May 2021 03:59:04 +0000 (UTC) Received: by mail.kernel.org (Postfix) with ESMTPSA id 9F220613F6; Sat, 15 May 2021 03:59:02 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=k20201202; t=1621051144; bh=Z1sccg2vrpIeTClwluNbqzKfuQ+iCA6YJXcgWJREDvo=; h=Date:From:To:Cc:Subject:References:In-Reply-To:From; b=AJGtllVDTxzsfnQoqk8BsCbL64losT+Ty47Mg00VeF0nf6O82MPJ4NXwclyYvMmjU 6To2isk6gBN6F7TMXgX3O8djMUZfQn6d2WNAOfFd2afdfKBNfYGfuEHSiKRQT8Q984 ImdElmlY38m5D0beV6Ke2Gkbgyor8Kfx1/LnuM81Fi6X9ghxMu/2J4wek/8dVZ998P f1JqGJTkRYzzXMKKduiP/OHQM/m56qOQcav6Jt//03j3VosRZ77UWA5SZdukjMT/39 3MqPRJ2WKfoOXg+d7S1Puls51F/EiiR0wRlp1htvcOFmyrWwq7yB6acKq7gw4x0K/2 UqF1mdOKHOuRQ== Date: Fri, 14 May 2021 20:58:58 -0700 From: Nathan Chancellor To: Andrew Morton Cc: Christophe Leroy , Nicholas Piggin , Mike Kravetz , Mike Rapoport , naresh.kamboju@linaro.org, linux-arch@vger.kernel.org, linuxppc-dev@lists.ozlabs.org, linux-kernel@vger.kernel.org, linux-arm-kernel@lists.infradead.org, sparclinux@vger.kernel.org, linux-mm@kvack.org Subject: Re: [PATCH] arm64: Define only {pud/pmd}_{set/clear}_huge when usefull Message-ID: References: <73ec95f40cafbbb69bdfb43a7f53876fd845b0ce.1620990479.git.christophe.leroy@csgroup.eu> <20210514144200.b49ee77c9b2a7f9998ffbf22@linux-foundation.org> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <20210514144200.b49ee77c9b2a7f9998ffbf22@linux-foundation.org> X-Rspamd-Queue-Id: 57DED80192EB Authentication-Results: imf27.hostedemail.com; dkim=pass header.d=kernel.org header.s=k20201202 header.b=AJGtllVD; spf=pass (imf27.hostedemail.com: domain of nathan@kernel.org designates 198.145.29.99 as permitted sender) smtp.mailfrom=nathan@kernel.org; dmarc=pass (policy=none) header.from=kernel.org X-Rspamd-Server: rspam04 X-Stat-Signature: qhnz37w5c1pyc38nxkqdpda78oajzk8n X-HE-Tag: 1621051144-975145 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 Fri, May 14, 2021 at 02:42:00PM -0700, Andrew Morton wrote: > On Fri, 14 May 2021 11:08:53 +0000 (UTC) Christophe Leroy wrote: > > > When PUD and/or PMD are folded, those functions are useless > > and we now have a stub in linux/pgtable.h > > OK, help me out here please. What patch does this fix? > Naresh's original report is here it seems: https://lore.kernel.org/r/CA+G9fYv79t0+2W4Rt3wDkBShc4eY3M3utC5BHqUgGDwMYExYMw@mail.gmail.com/ I can reproduce the failure that he reported with ARCH=arm64 allmodconfig and this patch resolves it for me. Cheers, Nathan