From patchwork Sat Aug 14 10:51:28 2021 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Miaohe Lin X-Patchwork-Id: 12436663 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org X-Spam-Level: X-Spam-Status: No, score=-16.7 required=3.0 tests=BAYES_00, HEADER_FROM_DIFFERENT_DOMAINS,INCLUDES_CR_TRAILER,INCLUDES_PATCH, MAILING_LIST_MULTI,SPF_HELO_NONE,SPF_PASS,URIBL_BLOCKED,USER_AGENT_GIT autolearn=ham autolearn_force=no version=3.4.0 Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id 3037FC432BE for ; Sat, 14 Aug 2021 10:51:43 +0000 (UTC) Received: from kanga.kvack.org (kanga.kvack.org [205.233.56.17]) by mail.kernel.org (Postfix) with ESMTP id B8B78608FC for ; Sat, 14 Aug 2021 10:51:42 +0000 (UTC) DMARC-Filter: OpenDMARC Filter v1.4.1 mail.kernel.org B8B78608FC Authentication-Results: mail.kernel.org; dmarc=fail (p=none dis=none) header.from=huawei.com Authentication-Results: mail.kernel.org; spf=pass smtp.mailfrom=kvack.org Received: by kanga.kvack.org (Postfix) id F0BAE6B0072; Sat, 14 Aug 2021 06:51:37 -0400 (EDT) Received: by kanga.kvack.org (Postfix, from userid 40) id C53398D0005; Sat, 14 Aug 2021 06:51:37 -0400 (EDT) X-Delivered-To: int-list-linux-mm@kvack.org Received: by kanga.kvack.org (Postfix, from userid 63042) id 882E98D0003; Sat, 14 Aug 2021 06:51:37 -0400 (EDT) X-Delivered-To: linux-mm@kvack.org Received: from forelay.hostedemail.com (smtprelay0187.hostedemail.com [216.40.44.187]) by kanga.kvack.org (Postfix) with ESMTP id 34CCC6B0072 for ; Sat, 14 Aug 2021 06:51:37 -0400 (EDT) Received: from smtpin33.hostedemail.com (10.5.19.251.rfc1918.com [10.5.19.251]) by forelay01.hostedemail.com (Postfix) with ESMTP id A19F4181C65C2 for ; Sat, 14 Aug 2021 10:51:36 +0000 (UTC) X-FDA: 78473370192.33.25A96C1 Received: from szxga02-in.huawei.com (szxga02-in.huawei.com [45.249.212.188]) by imf26.hostedemail.com (Postfix) with ESMTP id D2DBF2001528 for ; Sat, 14 Aug 2021 10:51:35 +0000 (UTC) Received: from dggeme703-chm.china.huawei.com (unknown [172.30.72.56]) by szxga02-in.huawei.com (SkyGuard) with ESMTP id 4Gmxvn2jVRz7xGd; Sat, 14 Aug 2021 18:47:33 +0800 (CST) Received: from huawei.com (10.175.124.27) by dggeme703-chm.china.huawei.com (10.1.199.99) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_128_CBC_SHA256_P256) id 15.1.2176.2; Sat, 14 Aug 2021 18:51:32 +0800 From: Miaohe Lin To: , CC: , , , Subject: [PATCH 1/4] mm/hwpoison: remove unneeded variable unmap_success Date: Sat, 14 Aug 2021 18:51:28 +0800 Message-ID: <20210814105131.48814-2-linmiaohe@huawei.com> X-Mailer: git-send-email 2.23.0 In-Reply-To: <20210814105131.48814-1-linmiaohe@huawei.com> References: <20210814105131.48814-1-linmiaohe@huawei.com> MIME-Version: 1.0 X-Originating-IP: [10.175.124.27] X-ClientProxiedBy: dggems705-chm.china.huawei.com (10.3.19.182) To dggeme703-chm.china.huawei.com (10.1.199.99) X-CFilter-Loop: Reflected X-Rspamd-Server: rspam03 X-Rspamd-Queue-Id: D2DBF2001528 X-Stat-Signature: ibzwm5tsopx7oe78jq8ez5y8ig1f45x8 Authentication-Results: imf26.hostedemail.com; dkim=none; dmarc=pass (policy=none) header.from=huawei.com; spf=pass (imf26.hostedemail.com: domain of linmiaohe@huawei.com designates 45.249.212.188 as permitted sender) smtp.mailfrom=linmiaohe@huawei.com X-HE-Tag: 1628938295-308503 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: unmap_success is used to indicate whether page is successfully unmapped but it's irrelated with ZONE_DEVICE page and unmap_success is always true here. Remove this unneeded one. Signed-off-by: Miaohe Lin Acked-by: Naoya Horiguchi --- mm/memory-failure.c | 3 +-- 1 file changed, 1 insertion(+), 2 deletions(-) diff --git a/mm/memory-failure.c b/mm/memory-failure.c index 03f83e7d075b..052ec9ee7cf6 100644 --- a/mm/memory-failure.c +++ b/mm/memory-failure.c @@ -1512,7 +1512,6 @@ static int memory_failure_dev_pagemap(unsigned long pfn, int flags, struct dev_pagemap *pgmap) { struct page *page = pfn_to_page(pfn); - const bool unmap_success = true; unsigned long size = 0; struct to_kill *tk; LIST_HEAD(tokill); @@ -1584,7 +1583,7 @@ static int memory_failure_dev_pagemap(unsigned long pfn, int flags, start = (page->index << PAGE_SHIFT) & ~(size - 1); unmap_mapping_range(page->mapping, start, size, 0); } - kill_procs(&tokill, flags & MF_MUST_KILL, !unmap_success, pfn, flags); + kill_procs(&tokill, flags & MF_MUST_KILL, false, pfn, flags); rc = 0; unlock: dax_unlock_page(page, cookie);