From patchwork Sat Aug 7 09:36:16 2021 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Miaohe Lin X-Patchwork-Id: 12424253 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=-16.8 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 A2166C432BE for ; Sat, 7 Aug 2021 09:36:25 +0000 (UTC) Received: from kanga.kvack.org (kanga.kvack.org [205.233.56.17]) by mail.kernel.org (Postfix) with ESMTP id 1F53F6113C for ; Sat, 7 Aug 2021 09:36:24 +0000 (UTC) DMARC-Filter: OpenDMARC Filter v1.4.1 mail.kernel.org 1F53F6113C 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 450848D0003; Sat, 7 Aug 2021 05:36:23 -0400 (EDT) Received: by kanga.kvack.org (Postfix, from userid 40) id 3FF6F8D0002; Sat, 7 Aug 2021 05:36:23 -0400 (EDT) X-Delivered-To: int-list-linux-mm@kvack.org Received: by kanga.kvack.org (Postfix, from userid 63042) id 168B56B0071; Sat, 7 Aug 2021 05:36:23 -0400 (EDT) X-Delivered-To: linux-mm@kvack.org Received: from forelay.hostedemail.com (smtprelay0024.hostedemail.com [216.40.44.24]) by kanga.kvack.org (Postfix) with ESMTP id D3C076B006C for ; Sat, 7 Aug 2021 05:36:22 -0400 (EDT) Received: from smtpin30.hostedemail.com (10.5.19.251.rfc1918.com [10.5.19.251]) by forelay01.hostedemail.com (Postfix) with ESMTP id 81CA1180A93DA for ; Sat, 7 Aug 2021 09:36:22 +0000 (UTC) X-FDA: 78447779004.30.1E33030 Received: from szxga03-in.huawei.com (szxga03-in.huawei.com [45.249.212.189]) by imf17.hostedemail.com (Postfix) with ESMTP id A4F2BF008386 for ; Sat, 7 Aug 2021 09:36:21 +0000 (UTC) Received: from dggeme703-chm.china.huawei.com (unknown [172.30.72.56]) by szxga03-in.huawei.com (SkyGuard) with ESMTP id 4GhcY804dXz7yVn; Sat, 7 Aug 2021 17:31:24 +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, 7 Aug 2021 17:36:17 +0800 From: Miaohe Lin To: CC: , , , , , , Subject: [PATCH 1/5] mm: gup: remove set but unused local variable major Date: Sat, 7 Aug 2021 17:36:16 +0800 Message-ID: <20210807093620.21347-2-linmiaohe@huawei.com> X-Mailer: git-send-email 2.23.0 In-Reply-To: <20210807093620.21347-1-linmiaohe@huawei.com> References: <20210807093620.21347-1-linmiaohe@huawei.com> MIME-Version: 1.0 X-Originating-IP: [10.175.124.27] X-ClientProxiedBy: dggems706-chm.china.huawei.com (10.3.19.183) To dggeme703-chm.china.huawei.com (10.1.199.99) X-CFilter-Loop: Reflected X-Rspamd-Server: rspam03 X-Rspamd-Queue-Id: A4F2BF008386 Authentication-Results: imf17.hostedemail.com; dkim=none; dmarc=pass (policy=none) header.from=huawei.com; spf=pass (imf17.hostedemail.com: domain of linmiaohe@huawei.com designates 45.249.212.189 as permitted sender) smtp.mailfrom=linmiaohe@huawei.com X-Stat-Signature: rswui41hieuw1nx3b6ggee9yiz886eg4 X-HE-Tag: 1628328981-920023 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: Since commit a2beb5f1efed ("mm: clean up the last pieces of page fault accountings"), the local variable major is unused. Remove it. Signed-off-by: Miaohe Lin Reviewed-by: David Hildenbrand --- mm/gup.c | 3 +-- 1 file changed, 1 insertion(+), 2 deletions(-) diff --git a/mm/gup.c b/mm/gup.c index 77150624f77a..430495cb1b91 100644 --- a/mm/gup.c +++ b/mm/gup.c @@ -1276,7 +1276,7 @@ int fixup_user_fault(struct mm_struct *mm, bool *unlocked) { struct vm_area_struct *vma; - vm_fault_t ret, major = 0; + vm_fault_t ret; address = untagged_addr(address); @@ -1296,7 +1296,6 @@ int fixup_user_fault(struct mm_struct *mm, return -EINTR; ret = handle_mm_fault(vma, address, fault_flags, NULL); - major |= ret & VM_FAULT_MAJOR; if (ret & VM_FAULT_ERROR) { int err = vm_fault_to_errno(ret, 0);