Received: by 2002:a05:6a10:9848:0:0:0:0 with SMTP id x8csp2105484pxf; Sat, 20 Mar 2021 04:46:38 -0700 (PDT) X-Google-Smtp-Source: ABdhPJwxyOJ+uFzVuHhEqaNxI75RzVuzrzikHy6HwPe4yp/DMIlm6P99muyFNz4jYGyhvlA3V9wi X-Received: by 2002:a17:907:7745:: with SMTP id kx5mr9263227ejc.3.1616240798194; Sat, 20 Mar 2021 04:46:38 -0700 (PDT) ARC-Seal: i=1; a=rsa-sha256; t=1616240798; cv=none; d=google.com; s=arc-20160816; b=ouuRmu8xXLkog5kjN8hm1YCDuvGZAppxD0kva+7HiWgFrcyBR7I4PoBFqYdywY+U9E rC7tcg7pYvepCmKLeahpEsndZ9GyF6KlPQFWHNu/3n5bh0RYdTODQ6BvvqZxusHjwL8R BMSjF704Hva9zigxBk7T4zXBrqjP2OQRVAuW7V1LDjx3vhMpvivOFeDoGPC5+P8TYgTa hkHAbXM6F0SfiOMijtOKiNbl5e90PNKWxYKlT4ACSakZ2sfGqM6oWIKc3RZ2nvf15Rhp oOm6l2Tc1xWEkFvoeJ+liuZ6JQG7RavDEvpSo2G8YZnBHlNaIh3n/08FOWwaeL2WV+l2 1Bpg== ARC-Message-Signature: i=1; a=rsa-sha256; c=relaxed/relaxed; d=google.com; s=arc-20160816; h=list-id:precedence:content-transfer-encoding:mime-version :references:in-reply-to:message-id:date:subject:cc:to:from; bh=r8TvUO2N16bB3uEkh/76qm4Gwae87qNVYhbEpi0laBk=; b=Us+DzzvZIuZDYWea4r8AsbVLRrQRkXRIIuRbHUeJQiAU72pjj7u+xFhm5VgjZeXO4f jK9GjONZ95WVUhGXFvOUF9vd0fk5LrdrsZpGaX4Kga2oyngxR1GjxjdLJWC7k8AeKpw6 Ux56DB8mHbomU5+1W5daZVy5CNuVISuiFZbgw3u2yUeIOEVa3pNFuKcjtQfOduJ+fTDd CszrOUflx/lavIYyCiCHyT/cHCoM12b0jTr770DTxN7EX2GB2uOA/KhqmxSXgD9RRZnt hsP0KFDkQMOWf7csrpVrnxOeQrC6ByprDPIYzUBpyxX9NKBQQM9lNIuRHgNVyr3Ub/Hp Xa4Q== ARC-Authentication-Results: i=1; mx.google.com; spf=pass (google.com: domain of linux-kernel-owner@vger.kernel.org designates 23.128.96.18 as permitted sender) smtp.mailfrom=linux-kernel-owner@vger.kernel.org; dmarc=fail (p=NONE sp=NONE dis=NONE) header.from=huawei.com Return-Path: Received: from vger.kernel.org (vger.kernel.org. [23.128.96.18]) by mx.google.com with ESMTP id ho7si6253814ejc.686.2021.03.20.04.46.15; Sat, 20 Mar 2021 04:46:38 -0700 (PDT) Received-SPF: pass (google.com: domain of linux-kernel-owner@vger.kernel.org designates 23.128.96.18 as permitted sender) client-ip=23.128.96.18; Authentication-Results: mx.google.com; spf=pass (google.com: domain of linux-kernel-owner@vger.kernel.org designates 23.128.96.18 as permitted sender) smtp.mailfrom=linux-kernel-owner@vger.kernel.org; dmarc=fail (p=NONE sp=NONE dis=NONE) header.from=huawei.com Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S230114AbhCTLpW (ORCPT + 99 others); Sat, 20 Mar 2021 07:45:22 -0400 Received: from szxga07-in.huawei.com ([45.249.212.35]:14832 "EHLO szxga07-in.huawei.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S229901AbhCTLpK (ORCPT ); Sat, 20 Mar 2021 07:45:10 -0400 Received: from DGGEMS413-HUB.china.huawei.com (unknown [172.30.72.60]) by szxga07-in.huawei.com (SkyGuard) with ESMTP id 4F2bH71j61z9186; Sat, 20 Mar 2021 17:36:03 +0800 (CST) Received: from huawei.com (10.175.104.175) by DGGEMS413-HUB.china.huawei.com (10.3.19.213) with Microsoft SMTP Server id 14.3.498.0; Sat, 20 Mar 2021 17:37:48 +0800 From: Miaohe Lin To: CC: , , , , Subject: [PATCH 1/5] mm/migrate.c: remove unnecessary VM_BUG_ON_PAGE on putback_movable_page() Date: Sat, 20 Mar 2021 05:36:57 -0400 Message-ID: <20210320093701.12829-2-linmiaohe@huawei.com> X-Mailer: git-send-email 2.19.1 In-Reply-To: <20210320093701.12829-1-linmiaohe@huawei.com> References: <20210320093701.12829-1-linmiaohe@huawei.com> MIME-Version: 1.0 Content-Transfer-Encoding: 7BIT Content-Type: text/plain; charset=US-ASCII X-Originating-IP: [10.175.104.175] X-CFilter-Loop: Reflected Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org The !PageLocked() check is implicitly done in PageMovable(). Remove this explicit one. Signed-off-by: Miaohe Lin --- mm/migrate.c | 1 - 1 file changed, 1 deletion(-) diff --git a/mm/migrate.c b/mm/migrate.c index 47df0df8f21a..e4ca5ef508ea 100644 --- a/mm/migrate.c +++ b/mm/migrate.c @@ -146,7 +146,6 @@ void putback_movable_page(struct page *page) struct address_space *mapping; VM_BUG_ON_PAGE(!PageLocked(page), page); - VM_BUG_ON_PAGE(!PageMovable(page), page); VM_BUG_ON_PAGE(!PageIsolated(page), page); mapping = page_mapping(page); -- 2.19.1