From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S934958AbbIVVrL (ORCPT ); Tue, 22 Sep 2015 17:47:11 -0400 Received: from mga02.intel.com ([134.134.136.20]:58700 "EHLO mga02.intel.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S934656AbbIVVrK (ORCPT ); Tue, 22 Sep 2015 17:47:10 -0400 X-ExtLoop1: 1 X-IronPort-AV: E=Sophos;i="5.17,574,1437462000"; d="scan'208";a="566518913" From: Ross Zwisler To: linux-kernel@vger.kernel.org Cc: Ross Zwisler , linux-sh@vger.kernel.org, Geert Uytterhoeven , Andy Shevchenko , Matthew Wilcox , linux-fsdevel@vger.kernel.org Subject: [PATCH] sh: add copy_user_page() alias for __copy_user() Date: Tue, 22 Sep 2015 15:46:51 -0600 Message-Id: <1442958411-4271-1-git-send-email-ross.zwisler@linux.intel.com> X-Mailer: git-send-email 2.1.0 MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org copy_user_page() is needed by DAX. Without this we get a compile error for DAX on SH: fs/dax.c:280:2: error: implicit declaration of function ‘copy_user_page’ [-Werror=implicit-function-declaration] copy_user_page(vto, (void __force *)vfrom, vaddr, to); ^ This was done with a random config that happened to include DAX support. This patch has only been compile tested. Signed-off-by: Ross Zwisler Reported-by: Geert Uytterhoeven --- Apologies for the resend, I wanted to add some more recipients. --- arch/sh/include/asm/page.h | 1 + 1 file changed, 1 insertion(+) diff --git a/arch/sh/include/asm/page.h b/arch/sh/include/asm/page.h index fe20d14..ceb5201 100644 --- a/arch/sh/include/asm/page.h +++ b/arch/sh/include/asm/page.h @@ -59,6 +59,7 @@ pages_do_alias(unsigned long addr1, unsigned long addr2) #define clear_page(page) memset((void *)(page), 0, PAGE_SIZE) extern void copy_page(void *to, void *from); +#define copy_user_page(to, from, vaddr, pg) __copy_user(to, from, PAGE_SIZE) struct page; struct vm_area_struct; -- 2.1.0