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=-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 F28FBC433B4 for ; Sat, 10 Apr 2021 07:24:53 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id CB3146115B for ; Sat, 10 Apr 2021 07:24:53 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S234470AbhDJHZG (ORCPT ); Sat, 10 Apr 2021 03:25:06 -0400 Received: from szxga07-in.huawei.com ([45.249.212.35]:17303 "EHLO szxga07-in.huawei.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S234388AbhDJHY7 (ORCPT ); Sat, 10 Apr 2021 03:24:59 -0400 Received: from DGGEMS410-HUB.china.huawei.com (unknown [172.30.72.60]) by szxga07-in.huawei.com (SkyGuard) with ESMTP id 4FHRKK0dClz9xDT; Sat, 10 Apr 2021 15:22:29 +0800 (CST) Received: from huawei.com (10.175.104.175) by DGGEMS410-HUB.china.huawei.com (10.3.19.210) with Microsoft SMTP Server id 14.3.498.0; Sat, 10 Apr 2021 15:24:35 +0800 From: Miaohe Lin To: , CC: , , , Subject: [PATCH v2 0/5] Cleanup and fixup for hugetlb Date: Sat, 10 Apr 2021 03:23:43 -0400 Message-ID: <20210410072348.20437-1-linmiaohe@huawei.com> X-Mailer: git-send-email 2.19.1 MIME-Version: 1.0 Content-Transfer-Encoding: 7BIT Content-Type: text/plain; charset=US-ASCII X-Originating-IP: [10.175.104.175] X-CFilter-Loop: Reflected Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Hi all, This series contains cleanups to remove redundant VM_BUG_ON() and simplify the return code. Also this handles the error case in hugetlb_fix_reserve_counts() correctly. More details can be found in the respective changelogs. Thanks! v1->v2: collect Reviewed-by tag remove the HPAGE_RESV_OWNER check per Mike add a comment to hugetlb_unreserve_pages per Mike expand warning message a bit for hugetlb_fix_reserve_counts Add a new patch to remove unused variable Many thanks for Mike's review and suggestion! Miaohe Lin (5): mm/hugeltb: remove redundant VM_BUG_ON() in region_add() mm/hugeltb: simplify the return code of __vma_reservation_common() mm/hugeltb: clarify (chg - freed) won't go negative in hugetlb_unreserve_pages() mm/hugeltb: handle the error case in hugetlb_fix_reserve_counts() mm/hugetlb: remove unused variable pseudo_vma in remove_inode_hugepages() fs/hugetlbfs/inode.c | 3 --- mm/hugetlb.c | 57 +++++++++++++++++++++++++------------------- 2 files changed, 33 insertions(+), 27 deletions(-) -- 2.19.1