From patchwork Thu Mar 25 13:56:44 2021 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Miaohe Lin X-Patchwork-Id: 12164149 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=-11.8 required=3.0 tests=BAYES_00, HEADER_FROM_DIFFERENT_DOMAINS,INCLUDES_PATCH,MAILING_LIST_MULTI,SPF_HELO_NONE, SPF_PASS,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 A87ADC433E0 for ; Thu, 25 Mar 2021 13:57:47 +0000 (UTC) Received: from kanga.kvack.org (kanga.kvack.org [205.233.56.17]) by mail.kernel.org (Postfix) with ESMTP id 2906161A21 for ; Thu, 25 Mar 2021 13:57:47 +0000 (UTC) DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org 2906161A21 Authentication-Results: mail.kernel.org; dmarc=fail (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 E5A5C6B006C; Thu, 25 Mar 2021 09:57:45 -0400 (EDT) Received: by kanga.kvack.org (Postfix, from userid 40) id DA5076B0071; Thu, 25 Mar 2021 09:57:45 -0400 (EDT) X-Delivered-To: int-list-linux-mm@kvack.org Received: by kanga.kvack.org (Postfix, from userid 63042) id C1D286B0073; Thu, 25 Mar 2021 09:57:45 -0400 (EDT) X-Delivered-To: linux-mm@kvack.org Received: from forelay.hostedemail.com (smtprelay0240.hostedemail.com [216.40.44.240]) by kanga.kvack.org (Postfix) with ESMTP id 9E9C66B006C for ; Thu, 25 Mar 2021 09:57:45 -0400 (EDT) Received: from smtpin08.hostedemail.com (10.5.19.251.rfc1918.com [10.5.19.251]) by forelay01.hostedemail.com (Postfix) with ESMTP id 45F9C184F4473 for ; Thu, 25 Mar 2021 13:57:45 +0000 (UTC) X-FDA: 77958549690.08.C402505 Received: from szxga04-in.huawei.com (szxga04-in.huawei.com [45.249.212.190]) by imf15.hostedemail.com (Postfix) with ESMTP id 2BA59A000244 for ; Thu, 25 Mar 2021 13:57:43 +0000 (UTC) Received: from DGGEMS402-HUB.china.huawei.com (unknown [172.30.72.58]) by szxga04-in.huawei.com (SkyGuard) with ESMTP id 4F5mpC5r7Nz19Hp5; Thu, 25 Mar 2021 21:55:31 +0800 (CST) Received: from huawei.com (10.175.104.175) by DGGEMS402-HUB.china.huawei.com (10.3.19.202) with Microsoft SMTP Server id 14.3.498.0; Thu, 25 Mar 2021 21:57:23 +0800 From: Miaohe Lin To: CC: , , Subject: [PATCH 0/3] Cleanup for khugepaged Date: Thu, 25 Mar 2021 09:56:44 -0400 Message-ID: <20210325135647.64106-1-linmiaohe@huawei.com> X-Mailer: git-send-email 2.19.1 MIME-Version: 1.0 X-Originating-IP: [10.175.104.175] X-CFilter-Loop: Reflected X-Stat-Signature: 1kwpea8jmy65cos1ywzwduzs4acb8ifg X-Rspamd-Server: rspam02 X-Rspamd-Queue-Id: 2BA59A000244 Received-SPF: none (huawei.com>: No applicable sender policy available) receiver=imf15; identity=mailfrom; envelope-from=""; helo=szxga04-in.huawei.com; client-ip=45.249.212.190 X-HE-DKIM-Result: none/none X-HE-Tag: 1616680663-125344 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: Hi all, This series contains cleanups to remove unnecessary out label and meaningless !pte_present() check. Also use helper function to simplify the code. More details can be found in the respective changelogs. Thanks! Miaohe Lin (3): khugepaged: use helper function range_in_vma() in collapse_pte_mapped_thp() khugepaged: remove unnecessary out label in collapse_huge_page() khugepaged: remove meaningless !pte_present() check in khugepaged_scan_pmd() mm/khugepaged.c | 14 ++++---------- 1 file changed, 4 insertions(+), 10 deletions(-) Reviewed-by: Zi Yan