Received: by 2002:a05:6a10:9848:0:0:0:0 with SMTP id x8csp4267429pxf; Tue, 23 Mar 2021 06:57:43 -0700 (PDT) X-Google-Smtp-Source: ABdhPJxBR9uBmQj/Uv4XlrDkmz8CsSW9YmwiIiIvpWmDC/JRdqt3mOgnvPNc3rprJ0Em4TQMOYTk X-Received: by 2002:aa7:db4f:: with SMTP id n15mr4737324edt.12.1616507863642; Tue, 23 Mar 2021 06:57:43 -0700 (PDT) ARC-Seal: i=1; a=rsa-sha256; t=1616507863; cv=none; d=google.com; s=arc-20160816; b=lo/VILn465yXWnL93EG3cl9ADQGGUN7Lu0hwiAGBQRUTsQIf775xj6NJmR7vOQWQy+ RclBTCTMJh0yfGz2qC0DehbV3/4p1szKnMCsTzLaT1JVYsFgVjSrQXTWuyzPhVvnS8D2 3TtsGiQpdJJaB5ZnGL1mCmPmA58LLRZgV4fHuDfJp+iyo4mPOrqx9lQR6mNf7pmmkLAy u/5XQVw3PGpDpEBYDLKWotYboIw4bHWUTXqFZoF4NeDByaib/PonBwU7i2Z60lS33iT+ lFrkk+F6UiqrzR5LgNZZGORjOzkY6CSgwhciBD0PszpkpPIgZPmtVeitCGpV7DabH1cJ oRag== 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=0MGUGpcLGpTqxb7BVXL6115+sHjUvoDCdlWQpnUvuak=; b=aUTyo3ZJ1z+M/Zpx76adCGkrR3TFMu55XYJijaimpIGVmvFMVBs/X1HE6RNi73up5t JJexhH4+b40VMe08WEZ08/Zt2gspfNlP7q7+Ttd8fNYDMYKqtQt+46Ob742Ndl5ble1O ZCnsHs0lHnLc/VddlEkbWJ9WLLMgVDDxxpDlCBvKwxuqydGN3P7R8sBF5djZLygaZc5Z BJ4DB3C8DAVP6qikxK8BWFu3Z76MlebtHUr2YGCRwoZbfWE96dEJU9BChkF3GcL0FCEy EP60GuM6lsecYScluFEHdIRi8vJ9y2CxDJ24Z4fkF8pJXvsJpvSGftJZ14afNfSG7WVB FIEQ== 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 bx22si10740930edb.438.2021.03.23.06.57.20; Tue, 23 Mar 2021 06:57:43 -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 S230500AbhCWNzI (ORCPT + 99 others); Tue, 23 Mar 2021 09:55:08 -0400 Received: from szxga05-in.huawei.com ([45.249.212.191]:14075 "EHLO szxga05-in.huawei.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S231889AbhCWNyx (ORCPT ); Tue, 23 Mar 2021 09:54:53 -0400 Received: from DGGEMS414-HUB.china.huawei.com (unknown [172.30.72.60]) by szxga05-in.huawei.com (SkyGuard) with ESMTP id 4F4XqS647hzPkFv; Tue, 23 Mar 2021 21:52:20 +0800 (CST) Received: from huawei.com (10.175.104.175) by DGGEMS414-HUB.china.huawei.com (10.3.19.214) with Microsoft SMTP Server id 14.3.498.0; Tue, 23 Mar 2021 21:54:43 +0800 From: Miaohe Lin To: CC: , , , , , , , Subject: [PATCH v2 1/5] mm/migrate.c: remove unnecessary VM_BUG_ON_PAGE on putback_movable_page() Date: Tue, 23 Mar 2021 09:54:01 -0400 Message-ID: <20210323135405.65059-2-linmiaohe@huawei.com> X-Mailer: git-send-email 2.19.1 In-Reply-To: <20210323135405.65059-1-linmiaohe@huawei.com> References: <20210323135405.65059-1-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..facec65c7374 100644 --- a/mm/migrate.c +++ b/mm/migrate.c @@ -145,7 +145,6 @@ 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); -- 2.19.1