From patchwork Fri Apr 2 09:32:45 2021 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Miaohe Lin X-Patchwork-Id: 12180585 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 92031C43460 for ; Fri, 2 Apr 2021 09:33:47 +0000 (UTC) Received: from kanga.kvack.org (kanga.kvack.org [205.233.56.17]) by mail.kernel.org (Postfix) with ESMTP id 3999B60FED for ; Fri, 2 Apr 2021 09:33:47 +0000 (UTC) DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org 3999B60FED 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 38AEC6B0072; Fri, 2 Apr 2021 05:33:46 -0400 (EDT) Received: by kanga.kvack.org (Postfix, from userid 40) id 3140A6B0073; Fri, 2 Apr 2021 05:33:46 -0400 (EDT) X-Delivered-To: int-list-linux-mm@kvack.org Received: by kanga.kvack.org (Postfix, from userid 63042) id 2029B6B0074; Fri, 2 Apr 2021 05:33:46 -0400 (EDT) X-Delivered-To: linux-mm@kvack.org Received: from forelay.hostedemail.com (smtprelay0028.hostedemail.com [216.40.44.28]) by kanga.kvack.org (Postfix) with ESMTP id 061396B0072 for ; Fri, 2 Apr 2021 05:33:46 -0400 (EDT) Received: from smtpin40.hostedemail.com (10.5.19.251.rfc1918.com [10.5.19.251]) by forelay03.hostedemail.com (Postfix) with ESMTP id B85EA824559C for ; Fri, 2 Apr 2021 09:33:45 +0000 (UTC) X-FDA: 77986914810.40.0D801C3 Received: from szxga07-in.huawei.com (szxga07-in.huawei.com [45.249.212.35]) by imf30.hostedemail.com (Postfix) with ESMTP id 27852E0001AC for ; Fri, 2 Apr 2021 09:33:42 +0000 (UTC) Received: from DGGEMS408-HUB.china.huawei.com (unknown [172.30.72.60]) by szxga07-in.huawei.com (SkyGuard) with ESMTP id 4FBZYx5N8mz9vtM; Fri, 2 Apr 2021 17:31:33 +0800 (CST) Received: from huawei.com (10.175.104.175) by DGGEMS408-HUB.china.huawei.com (10.3.19.208) with Microsoft SMTP Server id 14.3.498.0; Fri, 2 Apr 2021 17:33:33 +0800 From: Miaohe Lin To: , CC: , , , , Subject: [PATCH 0/4] Cleanup and fixup for hugetlb Date: Fri, 2 Apr 2021 05:32:45 -0400 Message-ID: <20210402093249.25137-1-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-Rspamd-Server: rspam03 X-Rspamd-Queue-Id: 27852E0001AC X-Stat-Signature: 4satagoewa3pitf97h5rrgi1hajo37y9 Received-SPF: none (huawei.com>: No applicable sender policy available) receiver=imf30; identity=mailfrom; envelope-from=""; helo=szxga07-in.huawei.com; client-ip=45.249.212.35 X-HE-DKIM-Result: none/none X-HE-Tag: 1617356022-68169 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 redundant VM_BUG_ON() and simplify the return code. Also this fixes potential wrong gbl_reserve value and handle the error case in hugetlb_fix_reserve_counts(). More details can be found in the respective changelogs. Thanks! Miaohe Lin (4): mm/hugeltb: remove redundant VM_BUG_ON() in region_add() mm/hugeltb: simplify the return code of __vma_reservation_common() mm/hugeltb: fix potential wrong gbl_reserve value for hugetlb_acct_memory() mm/hugeltb: handle the error case in hugetlb_fix_reserve_counts() mm/hugetlb.c | 18 +++++++++++++----- 1 file changed, 13 insertions(+), 5 deletions(-)