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: 12736938 Received: from bombadil.infradead.org (bombadil.infradead.org [198.137.202.133]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id C65392C9C for ; Mon, 7 Feb 2022 06:33:09 +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> Precedence: bulk X-Mailing-List: nvdimm@lists.linux.dev List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 X-SRS-Rewrite: SMTP reverse-path rewritten from by bombadil.infradead.org. See http://www.infradead.org/rpr.html 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); }