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=-8.6 required=3.0 tests=BAYES_00,DKIM_INVALID, DKIM_SIGNED,HEADER_FROM_DIFFERENT_DOMAINS,INCLUDES_PATCH,MAILING_LIST_MULTI, SPF_HELO_NONE,SPF_PASS autolearn=unavailable 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 6C740C47E48 for ; Thu, 15 Jul 2021 15:30:15 +0000 (UTC) Received: from kanga.kvack.org (kanga.kvack.org [205.233.56.17]) by mail.kernel.org (Postfix) with ESMTP id 042E261374 for ; Thu, 15 Jul 2021 15:30:14 +0000 (UTC) DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org 042E261374 Authentication-Results: mail.kernel.org; dmarc=none (p=none dis=none) header.from=infradead.org Authentication-Results: mail.kernel.org; spf=pass smtp.mailfrom=owner-linux-mm@kvack.org Received: by kanga.kvack.org (Postfix) id 0CF1A8D00DA; Thu, 15 Jul 2021 11:30:15 -0400 (EDT) Received: by kanga.kvack.org (Postfix, from userid 40) id 07FBB8D00CD; Thu, 15 Jul 2021 11:30:15 -0400 (EDT) X-Delivered-To: int-list-linux-mm@kvack.org Received: by kanga.kvack.org (Postfix, from userid 63042) id E89948D00DA; Thu, 15 Jul 2021 11:30:14 -0400 (EDT) X-Delivered-To: linux-mm@kvack.org Received: from forelay.hostedemail.com (smtprelay0174.hostedemail.com [216.40.44.174]) by kanga.kvack.org (Postfix) with ESMTP id C2D7F8D00CD for ; Thu, 15 Jul 2021 11:30:14 -0400 (EDT) Received: from smtpin05.hostedemail.com (10.5.19.251.rfc1918.com [10.5.19.251]) by forelay03.hostedemail.com (Postfix) with ESMTP id 99EDA8248047 for ; Thu, 15 Jul 2021 15:30:13 +0000 (UTC) X-FDA: 78365208306.05.A558389 Received: from casper.infradead.org (casper.infradead.org [90.155.50.34]) by imf25.hostedemail.com (Postfix) with ESMTP id 01929B0002B8 for ; Thu, 15 Jul 2021 15:30:12 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=infradead.org; s=casper.20170209; h=In-Reply-To:Content-Type:MIME-Version: References:Message-ID:Subject:Cc:To:From:Date:Sender:Reply-To: Content-Transfer-Encoding:Content-ID:Content-Description; bh=Hm/c5pmmDO4cb+/t3JiroPJ98SJwa1APyoXE5DC9x/M=; b=r3e0mnboQeEh+ByrdjioLrSrjX I767N2xaNAyFXjjyt+IpOzqNNTpnJXtN+sWuyHrGpwccnizqcloUpZGec0w8EuN99Om4h+K0YCipS LkVHUX3OPHuc5XGn7edNy3uB8j/Y/FOyUgZqxE3KSsuQvzeytuDNn5VvP+D5o0zwoVLGzrWrctqV0 23+0Ac7Y0vMjLMhw0bAq8JyFNLmCxehP4XNoVxDZ6hGwryjS0F6brM8jVOCyBLDVdktQRBFY/lNsw SSMDdyBnPPH0gPT0xc5AD69QLN7rOiwFXjsF6VvTH6KtmHAqZbrKwHipYFXFbVg6R3kls6uZ3zWtT V9AB7y4w==; Received: from willy by casper.infradead.org with local (Exim 4.94.2 #2 (Red Hat Linux)) id 1m43Ii-003TTK-Cg; Thu, 15 Jul 2021 15:29:30 +0000 Date: Thu, 15 Jul 2021 16:29:24 +0100 From: Matthew Wilcox To: kernel test robot Cc: linux-kernel@vger.kernel.org, clang-built-linux@googlegroups.com, kbuild-all@lists.01.org, linux-mm@kvack.org, linux-fsdevel@vger.kernel.org Subject: Re: [PATCH v14 102/138] iomap: Convert iomap_write_begin and iomap_write_end to folios Message-ID: References: <20210715033704.692967-103-willy@infradead.org> <202107152112.MqBfMXMK-lkp@intel.com> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <202107152112.MqBfMXMK-lkp@intel.com> X-Rspamd-Server: rspam04 X-Rspamd-Queue-Id: 01929B0002B8 X-Stat-Signature: iw9m4f9rizqqc55t4wbjam6py5x6aj4m Authentication-Results: imf25.hostedemail.com; dkim=pass header.d=infradead.org header.s=casper.20170209 header.b=r3e0mnbo; dmarc=none; spf=none (imf25.hostedemail.com: domain of willy@infradead.org has no SPF policy when checking 90.155.50.34) smtp.mailfrom=willy@infradead.org X-HE-Tag: 1626363012-862604 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 Thu, Jul 15, 2021 at 09:53:26PM +0800, kernel test robot wrote: > >> fs/iomap/buffered-io.c:645:2: error: implicit declaration of function 'flush_dcache_folio' [-Werror,-Wimplicit-function-declaration] > flush_dcache_folio(folio); Thanks. ARM doesn't include asm-generic/cacheflush.h so it needs flush_dcache_folio() declared. Adding this: +++ b/arch/arm/include/asm/cacheflush.h @@ -290,6 +290,7 @@ extern void flush_cache_page(struct vm_area_struct *vma, unsigned long user_addr */ #define ARCH_IMPLEMENTS_FLUSH_DCACHE_PAGE 1 extern void flush_dcache_page(struct page *); +void flush_dcache_folio(struct folio *folio); static inline void flush_kernel_vmap_range(void *addr, int size) {