From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1751476AbdAYPFw (ORCPT ); Wed, 25 Jan 2017 10:05:52 -0500 Received: from smtpbg202.qq.com ([184.105.206.29]:54562 "EHLO smtpbg202.qq.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1750722AbdAYPFt (ORCPT ); Wed, 25 Jan 2017 10:05:49 -0500 X-QQ-mid: esmtp32t1485356742tsoxol8ae X-QQ-SSF: 01000000000000604G100000000000V X-QQ-FEAT: AJSgOHJFKsrHNtsYk/3+owfv05yrBpiXoqlfhNf6bqXbGeVUg/qTZohD/1m3g ZfpGgjvX2UuZGj94o5+XUClBe2n9ATp04qWHCMU5//oSVOeb5MUTMRGMZ7xFPVUsWqC4O+t trHGCzbLwGckP33ATPAFGiPNcfZpizUhplpymiYbSFqz9oNw7EldhYADdb2P41NjEZ76W3a HqfFT0nJpSdtbAhyysHnfyNy1PO18B36lBxl8bCchMwn7O12OWUiHx5zQjEplkBT9wAvLII eApw== X-QQ-GoodBg: 0 From: ysxie@foxmail.com To: linux-mm@kvack.org, linux-kernel@vger.kernel.org Cc: n-horiguchi@ah.jp.nec.com, mhocko@suse.com, akpm@linux-foundation.org, minchan@kernel.org, vbabka@suse.cz, guohanjun@huawei.com, qiuxishi@huawei.com Subject: [PATCH v4 1/2] mm/migration: make isolate_movable_page always defined Date: Wed, 25 Jan 2017 23:05:37 +0800 Message-Id: <1485356738-4831-2-git-send-email-ysxie@foxmail.com> X-Mailer: git-send-email 1.9.1 In-Reply-To: <1485356738-4831-1-git-send-email-ysxie@foxmail.com> References: <1485356738-4831-1-git-send-email-ysxie@foxmail.com> X-QQ-SENDSIZE: 520 Feedback-ID: esmtp:foxmail.com:bgforeign:bgforeign1 X-QQ-Bgrelay: 1 Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org From: Yisheng Xie Define isolate_movable_page as a static inline function when CONFIG_MIGRATION is not enable. It should return false here which means failed to isolate movable pages. This patch do not have any functional change but prepare for later patch. Signed-off-by: Yisheng Xie Cc: Michal Hocko Cc: Minchan Kim Cc: Naoya Horiguchi CC: Vlastimil Babka --- include/linux/migrate.h | 2 ++ 1 file changed, 2 insertions(+) diff --git a/include/linux/migrate.h b/include/linux/migrate.h index ae8d475..631a8c8 100644 --- a/include/linux/migrate.h +++ b/include/linux/migrate.h @@ -56,6 +56,8 @@ static inline int migrate_pages(struct list_head *l, new_page_t new, free_page_t free, unsigned long private, enum migrate_mode mode, int reason) { return -ENOSYS; } +static inline bool isolate_movable_page(struct page *page, isolate_mode_t mode) + { return false; } static inline int migrate_prep(void) { return -ENOSYS; } static inline int migrate_prep_local(void) { return -ENOSYS; } -- 1.9.1 .