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 kanga.kvack.org (kanga.kvack.org [205.233.56.17]) by smtp.lore.kernel.org (Postfix) with ESMTP id 6A040C04A95 for ; Sat, 22 Oct 2022 23:34:00 +0000 (UTC) Received: by kanga.kvack.org (Postfix) id 8682F8E0002; Sat, 22 Oct 2022 19:33:59 -0400 (EDT) Received: by kanga.kvack.org (Postfix, from userid 40) id 7C9D18E0001; Sat, 22 Oct 2022 19:33:59 -0400 (EDT) X-Delivered-To: int-list-linux-mm@kvack.org Received: by kanga.kvack.org (Postfix, from userid 63042) id 6918C8E0002; Sat, 22 Oct 2022 19:33:59 -0400 (EDT) X-Delivered-To: linux-mm@kvack.org Received: from relay.hostedemail.com (smtprelay0013.hostedemail.com [216.40.44.13]) by kanga.kvack.org (Postfix) with ESMTP id 562BC8E0001 for ; Sat, 22 Oct 2022 19:33:59 -0400 (EDT) Received: from smtpin21.hostedemail.com (a10.router.float.18 [10.200.18.1]) by unirelay08.hostedemail.com (Postfix) with ESMTP id 2D160140A6D for ; Sat, 22 Oct 2022 23:33:59 +0000 (UTC) X-FDA: 80050190598.21.4848CE8 Received: from dfw.source.kernel.org (dfw.source.kernel.org [139.178.84.217]) by imf03.hostedemail.com (Postfix) with ESMTP id B5DB52002C for ; Sat, 22 Oct 2022 23:33:58 +0000 (UTC) Received: from smtp.kernel.org (relay.kernel.org [52.25.139.140]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by dfw.source.kernel.org (Postfix) with ESMTPS id B181360B38; Sat, 22 Oct 2022 23:33:57 +0000 (UTC) Received: by smtp.kernel.org (Postfix) with ESMTPSA id CD99DC433C1; Sat, 22 Oct 2022 23:33:56 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=linux-foundation.org; s=korg; t=1666481637; bh=bpQqDWzunN8eH2mdrn4dttE6VdzEvMNlZ5h2Yxe82Lk=; h=Date:From:To:Cc:Subject:In-Reply-To:References:From; b=Wyktu+8ed652g2aGSJzZ80/OBE3c0vCBNkHUsDhcf7hPBj9EiusXoN4JL/v3uH92y wNyCKQtFk4FZdgSGwLb6g0hXiMzOZBMpCyvdiIjDWF/EcbylBrnXUE2B66LYEFhb2C ra5u638TwPSJfBS7/4d6Q67E/SSGuwDT18Fu3sRA= Date: Sat, 22 Oct 2022 16:33:56 -0700 From: Andrew Morton To: kernel test robot Cc: Dan Williams , llvm@lists.linux.dev, kbuild-all@lists.01.org, Ammar Faizi , GNU/Weeb Mailing List , linux-kernel@vger.kernel.org, Linux Memory Management List Subject: Re: [ammarfaizi2-block:akpm/mm/mm-unstable 146/162] include/linux/memremap.h:258:9: error: expression which evaluates to zero treated as a null pointer constant of type 'struct folio *' Message-Id: <20221022163356.f5e08eeefe66fc71845be861@linux-foundation.org> In-Reply-To: <202210221343.e50d98Ht-lkp@intel.com> References: <202210221343.e50d98Ht-lkp@intel.com> X-Mailer: Sylpheed 3.7.0 (GTK+ 2.24.33; x86_64-redhat-linux-gnu) Mime-Version: 1.0 Content-Type: text/plain; charset=US-ASCII Content-Transfer-Encoding: 7bit ARC-Authentication-Results: i=1; imf03.hostedemail.com; dkim=pass header.d=linux-foundation.org header.s=korg header.b=Wyktu+8e; spf=pass (imf03.hostedemail.com: domain of akpm@linux-foundation.org designates 139.178.84.217 as permitted sender) smtp.mailfrom=akpm@linux-foundation.org; dmarc=none ARC-Seal: i=1; s=arc-20220608; d=hostedemail.com; t=1666481638; a=rsa-sha256; cv=none; b=VRpqex7+Eo/kGnRm+JP3/I9CH9R4upsW4Ohd+I7VW/v7di/Ykk5NmTSEaXnTz9oH0APNX/ Ee0vOBphFsu037aOCWtk310tApSj5+c8VLtADXydV4bnagepbAff4uUWMDnozG0ob828E4 Z8IOIQw188JJv/CHV1yZXI23QyIAjdw= ARC-Message-Signature: i=1; a=rsa-sha256; c=relaxed/relaxed; d=hostedemail.com; s=arc-20220608; t=1666481638; h=from:from:sender:reply-to:subject:subject:date:date: message-id:message-id:to:to:cc:cc:mime-version:mime-version: content-type:content-type: content-transfer-encoding:content-transfer-encoding: in-reply-to:in-reply-to:references:references:dkim-signature; bh=CXx8hSzfz6uXNY/iMzD5xnlXDPwbC37N6PyMoqzQjgE=; b=2HRmShLOnM0jBo2hBRUmy9tQJCOn/dHixgbrVxaizqFcIDkcnj64uy9tXDz+w9dL2sIx/G D1PizpggXzK/LCN/+KoUDYuUUFDi0k7zRBRrsb5Xivmi/vS0/HAaT6/NOVk4uwNHGhtizH Rr4ZA3u42fbKV3nVLtp3kVXLItAzsJE= Authentication-Results: imf03.hostedemail.com; dkim=pass header.d=linux-foundation.org header.s=korg header.b=Wyktu+8e; spf=pass (imf03.hostedemail.com: domain of akpm@linux-foundation.org designates 139.178.84.217 as permitted sender) smtp.mailfrom=akpm@linux-foundation.org; dmarc=none X-Rspam-User: X-Rspamd-Server: rspam10 X-Stat-Signature: e457axe38nbfsyzjfbeez5chg7u4myg1 X-Rspamd-Queue-Id: B5DB52002C X-HE-Tag: 1666481638-933624 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 Sat, 22 Oct 2022 13:27:19 +0800 kernel test robot wrote: > In file included from include/linux/mm.h:31: > >> include/linux/memremap.h:258:9: error: expression which evaluates to zero treated as a null pointer constant of type 'struct folio *' [-Werror,-Wnon-literal-null-conversion] > return false; Thanks. Doh. --- a/include/linux/memremap.h~mm-memremap-introduce-pgmap_request_folio-using-pgmap-offsets-fix +++ a/include/linux/memremap.h @@ -255,7 +255,7 @@ static inline struct dev_pagemap *get_de static inline struct folio *pgmap_request_folio(struct dev_pagemap *pgmap, pgoff_t pgmap_offset, int order) { - return false; + return NULL; } static inline bool pgmap_pfn_valid(struct dev_pagemap *pgmap, unsigned long pfn) _