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 7AD16C47404 for ; Wed, 9 Oct 2019 12:28:16 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id 54EF821721 for ; Wed, 9 Oct 2019 12:28:16 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1730606AbfJIM2P (ORCPT ); Wed, 9 Oct 2019 08:28:15 -0400 Received: from szxga07-in.huawei.com ([45.249.212.35]:45038 "EHLO huawei.com" rhost-flags-OK-OK-OK-FAIL) by vger.kernel.org with ESMTP id S1727878AbfJIM2O (ORCPT ); Wed, 9 Oct 2019 08:28:14 -0400 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=US-ASCII Content-Transfer-Encoding: 7BIT X-Originating-IP: [10.175.113.25] X-CFilter-Loop: Reflected Sender: linux-kernel-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org 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; } - h = hstate_vma(dst_vma); - while (src_addr < src_start + len) { pte_t dst_pteval;