From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from mail-pf0-f199.google.com (mail-pf0-f199.google.com [209.85.192.199]) by kanga.kvack.org (Postfix) with ESMTP id 5D6526B0003 for ; Sun, 4 Mar 2018 02:16:37 -0500 (EST) Received: by mail-pf0-f199.google.com with SMTP id h11so7909584pfn.0 for ; Sat, 03 Mar 2018 23:16:37 -0800 (PST) Received: from mail-sor-f65.google.com (mail-sor-f65.google.com. [209.85.220.65]) by mx.google.com with SMTPS id z5sor2059669pge.412.2018.03.03.23.16.35 for (Google Transport Security); Sat, 03 Mar 2018 23:16:36 -0800 (PST) From: Nick Desaulniers 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> Sender: owner-linux-mm@kvack.org List-ID: 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 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 -- To unsubscribe, send a message with 'unsubscribe linux-mm' in the body to majordomo@kvack.org. For more info on Linux MM, see: http://www.linux-mm.org/ . Don't email: email@kvack.org