From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1752480AbeCDHQh (ORCPT ); Sun, 4 Mar 2018 02:16:37 -0500 Received: from mail-pg0-f66.google.com ([74.125.83.66]:46524 "EHLO mail-pg0-f66.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1751793AbeCDHQg (ORCPT ); Sun, 4 Mar 2018 02:16:36 -0500 X-Google-Smtp-Source: AG47ELta3QfY9tetzIo3o5DLo/4uc9EkF525FFFObJsIji8WFI+x6oUK63Q//vLyO4LCXzqT/X0cVg== From: Nick Desaulniers Cc: Nick Desaulniers , Andrew Morton , Dan Williams , Michal Hocko , "Kirill A. Shutemov" , Jan Kara , =?UTF-8?q?J=C3=A9r=C3=B4me=20Glisse?= , Hugh Dickins , Matthew Wilcox , linux-mm@kvack.org, linux-kernel@vger.kernel.org Subject: [PATCH] memory-failure: fix section mismatch Date: Sat, 3 Mar 2018 23:16:11 -0800 Message-Id: <20180304071613.16899-1-nick.desaulniers@gmail.com> X-Mailer: git-send-email 2.14.1 To: unlisted-recipients:; (no To-header on input) Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Clang complains when a variable is declared extern twice, but with two different sections. num_poisoned_pages is marked extern and __read_mostly in include/linux/swapops.h, but only extern in include/linux/mm.h. Some c source files must include both, and thus see the conflicting declarations. Signed-off-by: Nick Desaulniers --- include/linux/mm.h | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/include/linux/mm.h b/include/linux/mm.h index ad06d42adb1a..bd4bd59f02c1 100644 --- a/include/linux/mm.h +++ b/include/linux/mm.h @@ -2582,7 +2582,7 @@ extern int get_hwpoison_page(struct page *page); extern int sysctl_memory_failure_early_kill; extern int sysctl_memory_failure_recovery; extern void shake_page(struct page *p, int access); -extern atomic_long_t num_poisoned_pages; +extern atomic_long_t num_poisoned_pages __read_mostly; extern int soft_offline_page(struct page *page, int flags); -- 2.14.1