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 Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by smtp.lore.kernel.org (Postfix) with ESMTP id DF62EC43334 for ; Tue, 28 Jun 2022 13:30:47 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1344908AbiF1Naq (ORCPT ); Tue, 28 Jun 2022 09:30:46 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:57672 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1346406AbiF1N3z (ORCPT ); Tue, 28 Jun 2022 09:29:55 -0400 Received: from szxga02-in.huawei.com (szxga02-in.huawei.com [45.249.212.188]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 6A06D2A969 for ; Tue, 28 Jun 2022 06:28:43 -0700 (PDT) Received: from canpemm500002.china.huawei.com (unknown [172.30.72.55]) by szxga02-in.huawei.com (SkyGuard) with ESMTP id 4LXQNq49SBzkWlH; Tue, 28 Jun 2022 21:26:51 +0800 (CST) Received: from huawei.com (10.175.124.27) by canpemm500002.china.huawei.com (7.192.104.244) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_128_GCM_SHA256) id 15.1.2375.24; Tue, 28 Jun 2022 21:28:41 +0800 From: Miaohe Lin To: CC: , , , , , , Subject: [PATCH v2 07/16] mm/huge_memory: use helper function vma_lookup in split_huge_pages_pid Date: Tue, 28 Jun 2022 21:28:26 +0800 Message-ID: <20220628132835.8925-8-linmiaohe@huawei.com> X-Mailer: git-send-email 2.23.0 In-Reply-To: <20220628132835.8925-1-linmiaohe@huawei.com> References: <20220628132835.8925-1-linmiaohe@huawei.com> MIME-Version: 1.0 Content-Transfer-Encoding: 7BIT Content-Type: text/plain; charset=US-ASCII X-Originating-IP: [10.175.124.27] X-ClientProxiedBy: dggems701-chm.china.huawei.com (10.3.19.178) To canpemm500002.china.huawei.com (7.192.104.244) X-CFilter-Loop: Reflected Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Use helper function vma_lookup to lookup the needed vma to simplify the code. Minor readability improvement. Signed-off-by: Miaohe Lin --- mm/huge_memory.c | 4 ++-- 1 file changed, 2 insertions(+), 2 deletions(-) diff --git a/mm/huge_memory.c b/mm/huge_memory.c index 8364b9b25b3a..1cb51eb5a60c 100644 --- a/mm/huge_memory.c +++ b/mm/huge_memory.c @@ -3040,10 +3040,10 @@ static int split_huge_pages_pid(int pid, unsigned long vaddr_start, * table filled with PTE-mapped THPs, each of which is distinct. */ for (addr = vaddr_start; addr < vaddr_end; addr += PAGE_SIZE) { - struct vm_area_struct *vma = find_vma(mm, addr); + struct vm_area_struct *vma = vma_lookup(mm, addr); struct page *page; - if (!vma || addr < vma->vm_start) + if (!vma) break; /* skip special VMA and hugetlb VMA */ -- 2.23.0