From patchwork Mon Feb 7 06:32:42 2022 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Christoph Hellwig X-Patchwork-Id: 12736922 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 89B78C433F5 for ; Mon, 7 Feb 2022 06:33:14 +0000 (UTC) Received: by kanga.kvack.org (Postfix) id 1EB466B0074; Mon, 7 Feb 2022 01:33:14 -0500 (EST) Received: by kanga.kvack.org (Postfix, from userid 40) id 19B4B6B0075; Mon, 7 Feb 2022 01:33:14 -0500 (EST) X-Delivered-To: int-list-linux-mm@kvack.org Received: by kanga.kvack.org (Postfix, from userid 63042) id 03D046B007B; Mon, 7 Feb 2022 01:33:13 -0500 (EST) X-Delivered-To: linux-mm@kvack.org Received: from forelay.hostedemail.com (smtprelay0072.hostedemail.com [216.40.44.72]) by kanga.kvack.org (Postfix) with ESMTP id E3B466B0074 for ; Mon, 7 Feb 2022 01:33:13 -0500 (EST) Received: from smtpin18.hostedemail.com (10.5.19.251.rfc1918.com [10.5.19.251]) by forelay02.hostedemail.com (Postfix) with ESMTP id A097B96352 for ; Mon, 7 Feb 2022 06:33:13 +0000 (UTC) X-FDA: 79115016666.18.C365CD5 Received: from bombadil.infradead.org (bombadil.infradead.org [198.137.202.133]) by imf30.hostedemail.com (Postfix) with ESMTP id BA6FA80006 for ; Mon, 7 Feb 2022 06:33:12 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=infradead.org; s=bombadil.20210309; h=Content-Transfer-Encoding: MIME-Version:References:In-Reply-To:Message-Id:Date:Subject:Cc:To:From:Sender :Reply-To:Content-Type:Content-ID:Content-Description; bh=WofxUCZiATU1kpjAffXWYlHs1O9R63dP0KIEP8T6lOA=; b=XJHVb3iW+vRrzF9+OySIruHUHn Sa6JPCczwpkeGE/buqDc+PYoIxMi8hFrFYyLseWB5aeyxAWFEuDdds4wgKz8ZRPCvCdr33rP9O0HF v/pVQbdEr6bY5vfFVJrYIljpa4P0n6HzT5Jui1ak7lXKG5STjVikrsaXojUen8cqn8eYWCWs17mpr iW8tBBjck+jMijGUGKCf/NKpYzo0UDqScPKpzOg/jRnU8FoVS5rJH0cx8lmOJ+IaEsF5tNnX6TI55 Pm5wt1la8xBFuylMyrlyQRL5aDyAZSR1a7njqGPtVv9wYqYTiF2n9Vei2jCPBt1Np6YFvt/aQ66Y+ bA8/QOuA==; Received: from [2001:4bb8:188:3efc:2cbe:55d7:bb63:46d2] (helo=localhost) by bombadil.infradead.org with esmtpsa (Exim 4.94.2 #2 (Red Hat Linux)) id 1nGxa1-0099Gj-VV; Mon, 07 Feb 2022 06:32:54 +0000 From: Christoph Hellwig To: Andrew Morton , Dan Williams Cc: Felix Kuehling , Alex Deucher , =?utf-8?q?Christian_K=C3=B6nig?= , "Pan, Xinhui" , Ben Skeggs , Karol Herbst , Lyude Paul , Jason Gunthorpe , Alistair Popple , Logan Gunthorpe , Ralph Campbell , linux-kernel@vger.kernel.org, amd-gfx@lists.freedesktop.org, dri-devel@lists.freedesktop.org, nouveau@lists.freedesktop.org, nvdimm@lists.linux.dev, linux-mm@kvack.org Subject: [PATCH 1/8] mm: remove a pointless CONFIG_ZONE_DEVICE check in memremap_pages Date: Mon, 7 Feb 2022 07:32:42 +0100 Message-Id: <20220207063249.1833066-2-hch@lst.de> X-Mailer: git-send-email 2.30.2 In-Reply-To: <20220207063249.1833066-1-hch@lst.de> References: <20220207063249.1833066-1-hch@lst.de> MIME-Version: 1.0 X-SRS-Rewrite: SMTP reverse-path rewritten from by bombadil.infradead.org. See http://www.infradead.org/rpr.html X-Rspamd-Server: rspam07 X-Rspamd-Queue-Id: BA6FA80006 X-Stat-Signature: z5jgk6stifk6g7b8m39kpoaqcd55uda4 X-Rspam-User: nil Authentication-Results: imf30.hostedemail.com; dkim=pass header.d=infradead.org header.s=bombadil.20210309 header.b=XJHVb3iW; spf=none (imf30.hostedemail.com: domain of BATV+0c52a814cb66561dc7fc+6742+infradead.org+hch@bombadil.srs.infradead.org has no SPF policy when checking 198.137.202.133) smtp.mailfrom=BATV+0c52a814cb66561dc7fc+6742+infradead.org+hch@bombadil.srs.infradead.org; dmarc=none X-HE-Tag: 1644215592-429628 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: memremap.c is only built when CONFIG_ZONE_DEVICE is set, so remove the superflous extra check. Signed-off-by: Christoph Hellwig Reviewed-by: Dan Williams Reviewed-by: Jason Gunthorpe Reviewed-by: Chaitanya Kulkarni Reviewed-by: Muchun Song --- mm/memremap.c | 3 +-- 1 file changed, 1 insertion(+), 2 deletions(-) diff --git a/mm/memremap.c b/mm/memremap.c index 6aa5f0c2d11fda..5f04a0709e436e 100644 --- a/mm/memremap.c +++ b/mm/memremap.c @@ -328,8 +328,7 @@ void *memremap_pages(struct dev_pagemap *pgmap, int nid) } break; case MEMORY_DEVICE_FS_DAX: - if (!IS_ENABLED(CONFIG_ZONE_DEVICE) || - IS_ENABLED(CONFIG_FS_DAX_LIMITED)) { + if (IS_ENABLED(CONFIG_FS_DAX_LIMITED)) { WARN(1, "File system DAX not supported\n"); return ERR_PTR(-EINVAL); }