From patchwork Sat Feb 19 09:25:32 2022 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Miaohe Lin X-Patchwork-Id: 12752174 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org Received: from kanga.kvack.org (kanga.kvack.org [205.233.56.17]) by smtp.lore.kernel.org (Postfix) with ESMTP id 323FCC433F5 for ; Sat, 19 Feb 2022 09:26:37 +0000 (UTC) Received: by kanga.kvack.org (Postfix) id 50CF16B0082; Sat, 19 Feb 2022 04:26:27 -0500 (EST) Received: by kanga.kvack.org (Postfix, from userid 40) id 497246B0085; Sat, 19 Feb 2022 04:26:27 -0500 (EST) X-Delivered-To: int-list-linux-mm@kvack.org Received: by kanga.kvack.org (Postfix, from userid 63042) id 30E9B6B0083; Sat, 19 Feb 2022 04:26:27 -0500 (EST) X-Delivered-To: linux-mm@kvack.org Received: from relay.hostedemail.com (relay.hostedemail.com [64.99.140.25]) by kanga.kvack.org (Postfix) with ESMTP id 1FE796B0081 for ; Sat, 19 Feb 2022 04:26:27 -0500 (EST) Received: from smtpin02.hostedemail.com (a10.router.float.18 [10.200.18.1]) by unirelay09.hostedemail.com (Postfix) with ESMTP id DD3B622A0B for ; Sat, 19 Feb 2022 09:26:26 +0000 (UTC) X-FDA: 79158998772.02.E3D47CF Received: from szxga01-in.huawei.com (szxga01-in.huawei.com [45.249.212.187]) by imf25.hostedemail.com (Postfix) with ESMTP id 3B962A000E for ; Sat, 19 Feb 2022 09:26:26 +0000 (UTC) Received: from canpemm500002.china.huawei.com (unknown [172.30.72.56]) by szxga01-in.huawei.com (SkyGuard) with ESMTP id 4K133m68PfzVfmC; Sat, 19 Feb 2022 17:21:56 +0800 (CST) Received: from huawei.com (10.175.124.27) by canpemm500002.china.huawei.com (7.192.104.244) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_128_GCM_SHA256) id 15.1.2308.21; Sat, 19 Feb 2022 17:26:22 +0800 From: Miaohe Lin To: CC: , , , Subject: [PATCH 8/9] mm/z3fold: remove unneeded PAGE_HEADLESS check in free_handle() Date: Sat, 19 Feb 2022 17:25:32 +0800 Message-ID: <20220219092533.12596-9-linmiaohe@huawei.com> X-Mailer: git-send-email 2.23.0 In-Reply-To: <20220219092533.12596-1-linmiaohe@huawei.com> References: <20220219092533.12596-1-linmiaohe@huawei.com> MIME-Version: 1.0 X-Originating-IP: [10.175.124.27] X-ClientProxiedBy: dggems701-chm.china.huawei.com (10.3.19.178) To canpemm500002.china.huawei.com (7.192.104.244) X-CFilter-Loop: Reflected Authentication-Results: imf25.hostedemail.com; dkim=none; spf=pass (imf25.hostedemail.com: domain of linmiaohe@huawei.com designates 45.249.212.187 as permitted sender) smtp.mailfrom=linmiaohe@huawei.com; dmarc=pass (policy=quarantine) header.from=huawei.com X-Rspam-User: X-Rspamd-Server: rspam10 X-Rspamd-Queue-Id: 3B962A000E X-Stat-Signature: q1tjqutagir8f4nr31ofewfc18ydz36i X-HE-Tag: 1645262786-592082 X-Bogosity: Ham, tests=bogofilter, spamicity=0.000000, version=1.2.4 Sender: owner-linux-mm@kvack.org Precedence: bulk X-Loop: owner-majordomo@kvack.org List-ID: The only caller z3fold_free() never calls free_handle() in PAGE_HEADLESS case. Remove this unneeded check. Signed-off-by: Miaohe Lin --- mm/z3fold.c | 3 --- 1 file changed, 3 deletions(-) diff --git a/mm/z3fold.c b/mm/z3fold.c index 867c590df027..83b5a3514427 100644 --- a/mm/z3fold.c +++ b/mm/z3fold.c @@ -297,9 +297,6 @@ static inline void free_handle(unsigned long handle, struct z3fold_header *zhdr) int i; bool is_free; - if (handle & (1 << PAGE_HEADLESS)) - return; - if (WARN_ON(*(unsigned long *)handle == 0)) return;