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=-15.7 required=3.0 tests=BAYES_00,DKIM_SIGNED, DKIM_VALID,DKIM_VALID_AU,HEADER_FROM_DIFFERENT_DOMAINS,INCLUDES_CR_TRAILER, INCLUDES_PATCH,MAILING_LIST_MULTI,SPF_HELO_NONE,SPF_PASS,URIBL_BLOCKED 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 685CAC433DB for ; Wed, 24 Feb 2021 20:07:43 +0000 (UTC) Received: from kanga.kvack.org (kanga.kvack.org [205.233.56.17]) by mail.kernel.org (Postfix) with ESMTP id F2C9F64E7A for ; Wed, 24 Feb 2021 20:07:42 +0000 (UTC) DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org F2C9F64E7A Authentication-Results: mail.kernel.org; dmarc=none (p=none dis=none) header.from=linux-foundation.org Authentication-Results: mail.kernel.org; spf=pass smtp.mailfrom=owner-linux-mm@kvack.org Received: by kanga.kvack.org (Postfix) id 8339B8D002B; Wed, 24 Feb 2021 15:07:42 -0500 (EST) Received: by kanga.kvack.org (Postfix, from userid 40) id 7E46B8D001E; Wed, 24 Feb 2021 15:07:42 -0500 (EST) X-Delivered-To: int-list-linux-mm@kvack.org Received: by kanga.kvack.org (Postfix, from userid 63042) id 687968D002B; Wed, 24 Feb 2021 15:07:42 -0500 (EST) X-Delivered-To: linux-mm@kvack.org Received: from forelay.hostedemail.com (smtprelay0174.hostedemail.com [216.40.44.174]) by kanga.kvack.org (Postfix) with ESMTP id 4C84A8D001E for ; Wed, 24 Feb 2021 15:07:42 -0500 (EST) Received: from smtpin03.hostedemail.com (10.5.19.251.rfc1918.com [10.5.19.251]) by forelay02.hostedemail.com (Postfix) with ESMTP id 174D7EFD6 for ; Wed, 24 Feb 2021 20:07:42 +0000 (UTC) X-FDA: 77854246764.03.C2285C4 Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) by imf24.hostedemail.com (Postfix) with ESMTP id 2D40AA000510 for ; Wed, 24 Feb 2021 20:07:36 +0000 (UTC) Received: by mail.kernel.org (Postfix) with ESMTPSA id 5040264F29; Wed, 24 Feb 2021 20:07:40 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=linux-foundation.org; s=korg; t=1614197260; bh=mEtSQa/cE/LWdEp2XFe1XgeBpvKg8seZ00QYZRH2M2Q=; h=Date:From:To:Subject:In-Reply-To:From; b=H1ZOjJUlA16UgOzwt+Rmz04pwzmiox49nQilfujR4/9gvl5Y9JerH081UDSy5Omo1 n51ie4GzeCpWwQMVchyx+vM2NDZaW29AbLaSHbKN060q7kwn3HBxzxWtrawdYqYnpe lxnpIm8xupDWxckB8HpKxDt+B5U6wAOOexMa5E3g= Date: Wed, 24 Feb 2021 12:07:39 -0800 From: Andrew Morton To: akpm@linux-foundation.org, linmiaohe@huawei.com, linux-mm@kvack.org, mike.kravetz@oracle.com, mm-commits@vger.kernel.org, torvalds@linux-foundation.org Subject: [patch 127/173] mm/hugetlb: use helper function range_in_vma() in page_table_shareable() Message-ID: <20210224200739.v_LULY55m%akpm@linux-foundation.org> In-Reply-To: <20210224115824.1e289a6895087f10c41dd8d6@linux-foundation.org> User-Agent: s-nail v14.8.16 X-Stat-Signature: w9y9ird6woy9ujdu7ejxtcmr6hpnke34 X-Rspamd-Server: rspam02 X-Rspamd-Queue-Id: 2D40AA000510 Received-SPF: none (linux-foundation.org>: No applicable sender policy available) receiver=imf24; identity=mailfrom; envelope-from=""; helo=mail.kernel.org; client-ip=198.145.29.99 X-HE-DKIM-Result: pass/pass X-HE-Tag: 1614197256-79950 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: From: Miaohe Lin Subject: mm/hugetlb: use helper function range_in_vma() in page_table_shareable() We could use helper function range_in_vma() to check whether the vma is in the desired range to simplify the code. Link: https://lkml.kernel.org/r/20210204112949.43051-1-linmiaohe@huawei.com Signed-off-by: Miaohe Lin Reviewed-by: Mike Kravetz Signed-off-by: Andrew Morton --- mm/hugetlb.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) --- a/mm/hugetlb.c~mm-hugetlb-use-helper-function-range_in_vma-in-page_table_shareable +++ a/mm/hugetlb.c @@ -5282,7 +5282,7 @@ static unsigned long page_table_shareabl */ if (pmd_index(addr) != pmd_index(saddr) || vm_flags != svm_flags || - sbase < svma->vm_start || svma->vm_end < s_end) + !range_in_vma(svma, sbase, s_end)) return 0; return saddr; _