From patchwork Tue May 16 15:45:58 2023 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Arnd Bergmann X-Patchwork-Id: 13243313 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 vger.kernel.org (vger.kernel.org [23.128.96.18]) by smtp.lore.kernel.org (Postfix) with ESMTP id 49FFDC77B7A for ; Tue, 16 May 2023 15:48:05 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S234149AbjEPPsE (ORCPT ); Tue, 16 May 2023 11:48:04 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:41006 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S234151AbjEPPrt (ORCPT ); Tue, 16 May 2023 11:47:49 -0400 Received: from dfw.source.kernel.org (dfw.source.kernel.org [IPv6:2604:1380:4641:c500::1]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 22B8D7DB4; Tue, 16 May 2023 08:47:25 -0700 (PDT) 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 1A7F763BA4; Tue, 16 May 2023 15:46:50 +0000 (UTC) Received: by smtp.kernel.org (Postfix) with ESMTPSA id 5187BC433D2; Tue, 16 May 2023 15:46:46 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=k20201202; t=1684252009; bh=hEUlhy3x74ptZihWpTN1KOaQRhy1uwVK0q8Cu7Mv2w0=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=Mr8YfsTNoulwGWvD0tgfBs0wwbldurQP87cM+bffA6WAgrco/DCyut4Dk70ezgjb3 s+rcP0dVrALpiBxiwpppiZJCgDuNbXrQSlgKiqUzYbO7Rp9FPZky/idQVj59srnUR/ rU5ySRLhnEFvMtEDm3VCLjjON95rItlQ0ofQSzC6qTpwmt7yv2NA5bbccWy1G95VpL Ni6quHY5h7Rellf3j00PpuwafyY7yuh5yx53gzMJhUU4h9EnUWGtc5RnodHFsYa6Xa 9o7hMEhJE2nmTZm4FB9Rxq6yXF+IouUgEI4K7ghU/pF44VvDOSr8LtHs/0OrY9bcJe M2bdA3bv1aK7Q== From: Arnd Bergmann To: Russell King Cc: Arnd Bergmann , Steven Rostedt , Masami Hiramatsu , Mark Rutland , Oleg Nesterov , "Rafael J. Wysocki" , Pavel Machek , Linus Walleij , Ard Biesheuvel , Kees Cook , linux-arm-kernel@lists.infradead.org, linux-kernel@vger.kernel.org, linux-trace-kernel@vger.kernel.org, linux-pm@vger.kernel.org Subject: [PATCH 09/16] ARM: cacheflush: avoid __flush_anon_page() missing-prototype warning Date: Tue, 16 May 2023 17:45:58 +0200 Message-Id: <20230516154605.517690-10-arnd@kernel.org> X-Mailer: git-send-email 2.39.2 In-Reply-To: <20230516154605.517690-1-arnd@kernel.org> References: <20230516154605.517690-1-arnd@kernel.org> MIME-Version: 1.0 Precedence: bulk List-ID: X-Mailing-List: linux-trace-kernel@vger.kernel.org From: Arnd Bergmann The prototype for __flush_anon_page() is intentionally hidden inside the flush_anon_page() inline function to prevent it from being called from drivers. When building with 'W=1', this causes a warning: arch/arm/mm/flush.c:358:6: error: no previous prototype for '__flush_anon_page' [-Werror=missing-prototypes] Work around this by adding a prototype directly next to the function definition. Signed-off-by: Arnd Bergmann --- arch/arm/mm/flush.c | 1 + 1 file changed, 1 insertion(+) diff --git a/arch/arm/mm/flush.c b/arch/arm/mm/flush.c index 9b112009c708..43678137a9b2 100644 --- a/arch/arm/mm/flush.c +++ b/arch/arm/mm/flush.c @@ -355,6 +355,7 @@ EXPORT_SYMBOL(flush_dcache_page); * memcpy() to/from page * if written to page, flush_dcache_page() */ +void __flush_anon_page(struct vm_area_struct *vma, struct page *page, unsigned long vmaddr); void __flush_anon_page(struct vm_area_struct *vma, struct page *page, unsigned long vmaddr) { unsigned long pfn;