From mboxrd@z Thu Jan 1 00:00:00 1970 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=-9.8 required=3.0 tests=HEADER_FROM_DIFFERENT_DOMAINS, INCLUDES_PATCH,MAILING_LIST_MULTI,SIGNED_OFF_BY,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 0587EC47404 for ; Wed, 9 Oct 2019 12:28:26 +0000 (UTC) Received: from kanga.kvack.org (kanga.kvack.org [205.233.56.17]) by mail.kernel.org (Postfix) with ESMTP id C2EB821721 for ; Wed, 9 Oct 2019 12:28:25 +0000 (UTC) DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org C2EB821721 Authentication-Results: mail.kernel.org; dmarc=none (p=none dis=none) header.from=huawei.com Authentication-Results: mail.kernel.org; spf=pass smtp.mailfrom=owner-linux-mm@kvack.org Received: by kanga.kvack.org (Postfix) id 49D448E0005; Wed, 9 Oct 2019 08:28:25 -0400 (EDT) Received: by kanga.kvack.org (Postfix, from userid 40) id 473CC8E0003; Wed, 9 Oct 2019 08:28:25 -0400 (EDT) X-Delivered-To: int-list-linux-mm@kvack.org Received: by kanga.kvack.org (Postfix, from userid 63042) id 38A7E8E0005; Wed, 9 Oct 2019 08:28:25 -0400 (EDT) X-Delivered-To: linux-mm@kvack.org Received: from forelay.hostedemail.com (smtprelay0200.hostedemail.com [216.40.44.200]) by kanga.kvack.org (Postfix) with ESMTP id 183548E0003 for ; Wed, 9 Oct 2019 08:28:25 -0400 (EDT) Received: from smtpin14.hostedemail.com (10.5.19.251.rfc1918.com [10.5.19.251]) by forelay02.hostedemail.com (Postfix) with SMTP id A89023489 for ; Wed, 9 Oct 2019 12:28:24 +0000 (UTC) X-FDA: 76024174128.14.owner91_f1dc36149242 X-HE-Tag: owner91_f1dc36149242 X-Filterd-Recvd-Size: 2450 Received: from huawei.com (szxga07-in.huawei.com [45.249.212.35]) by imf30.hostedemail.com (Postfix) with ESMTP for ; Wed, 9 Oct 2019 12:28:23 +0000 (UTC) Received: from DGGEMS408-HUB.china.huawei.com (unknown [172.30.72.60]) by Forcepoint Email with ESMTP id 9F1BDB972E4E356DC9F2; Wed, 9 Oct 2019 20:28:12 +0800 (CST) Received: from localhost.localdomain.localdomain (10.175.113.25) by DGGEMS408-HUB.china.huawei.com (10.3.19.208) with Microsoft SMTP Server id 14.3.439.0; Wed, 9 Oct 2019 20:28:02 +0800 From: YueHaibing To: Andrea Arcangeli , "Joel Fernandes (Google)" , Andrew Morton , "Mike Kravetz" , Stephen Rothwell , Wei Yang , Hugh Dickins CC: YueHaibing , , , Subject: [PATCH -next] userfaultfd: remove set but not used variable 'h' Date: Wed, 9 Oct 2019 12:27:40 +0000 Message-ID: <20191009122740.70517-1-yuehaibing@huawei.com> X-Mailer: git-send-email 2.20.1 MIME-Version: 1.0 Content-Type: text/plain; charset="ISO-8859-1" X-Originating-IP: [10.175.113.25] X-CFilter-Loop: Reflected Content-Transfer-Encoding: quoted-printable 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: Fixes gcc '-Wunused-but-set-variable' warning: mm/userfaultfd.c: In function '__mcopy_atomic_hugetlb': mm/userfaultfd.c:217:17: warning: variable 'h' set but not used [-Wunused-but-set-variable] It is not used since commit 78911d0e18ac ("userfaultfd: use vma_pagesize for all huge page size calculation") Signed-off-by: YueHaibing --- mm/userfaultfd.c | 3 --- 1 file changed, 3 deletions(-) diff --git a/mm/userfaultfd.c b/mm/userfaultfd.c index 4cb4ef3d9128..1b0d7abad1d4 100644 --- a/mm/userfaultfd.c +++ b/mm/userfaultfd.c @@ -214,7 +214,6 @@ static __always_inline ssize_t __mcopy_atomic_hugetlb= (struct mm_struct *dst_mm, unsigned long src_addr, dst_addr; long copied; struct page *page; - struct hstate *h; unsigned long vma_hpagesize; pgoff_t idx; u32 hash; @@ -271,8 +270,6 @@ static __always_inline ssize_t __mcopy_atomic_hugetlb= (struct mm_struct *dst_mm, goto out_unlock; } =20 - h =3D hstate_vma(dst_vma); - while (src_addr < src_start + len) { pte_t dst_pteval;