From patchwork Fri May 20 07:37:45 2022 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Peng Liu X-Patchwork-Id: 12856413 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 kanga.kvack.org (kanga.kvack.org [205.233.56.17]) by smtp.lore.kernel.org (Postfix) with ESMTP id CB9C4C433EF for ; Fri, 20 May 2022 07:23:02 +0000 (UTC) Received: by kanga.kvack.org (Postfix) id 4E95A6B0072; Fri, 20 May 2022 03:23:02 -0400 (EDT) Received: by kanga.kvack.org (Postfix, from userid 40) id 498176B0073; Fri, 20 May 2022 03:23:02 -0400 (EDT) X-Delivered-To: int-list-linux-mm@kvack.org Received: by kanga.kvack.org (Postfix, from userid 63042) id 360F96B0075; Fri, 20 May 2022 03:23:02 -0400 (EDT) X-Delivered-To: linux-mm@kvack.org Received: from relay.hostedemail.com (smtprelay0016.hostedemail.com [216.40.44.16]) by kanga.kvack.org (Postfix) with ESMTP id 26EF46B0072 for ; Fri, 20 May 2022 03:23:02 -0400 (EDT) Received: from smtpin15.hostedemail.com (a10.router.float.18 [10.200.18.1]) by unirelay06.hostedemail.com (Postfix) with ESMTP id E980A34966 for ; Fri, 20 May 2022 07:23:01 +0000 (UTC) X-FDA: 79485279762.15.9E9B9B7 Received: from szxga02-in.huawei.com (szxga02-in.huawei.com [45.249.212.188]) by imf15.hostedemail.com (Postfix) with ESMTP id 26F49A000F for ; Fri, 20 May 2022 07:22:43 +0000 (UTC) Received: from kwepemi100019.china.huawei.com (unknown [172.30.72.53]) by szxga02-in.huawei.com (SkyGuard) with ESMTP id 4L4J7w24STzhXbB; Fri, 20 May 2022 15:22:04 +0800 (CST) Received: from kwepemm600017.china.huawei.com (7.193.23.234) by kwepemi100019.china.huawei.com (7.221.188.189) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_128_GCM_SHA256) id 15.1.2375.24; Fri, 20 May 2022 15:22:56 +0800 Received: from localhost.localdomain (10.175.112.125) by kwepemm600017.china.huawei.com (7.193.23.234) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_128_GCM_SHA256) id 15.1.2375.24; Fri, 20 May 2022 15:22:54 +0800 From: Peng Liu To: , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , Subject: [PATCH v2 0/2] null_blk: fix wrong use of nr_online_nodes Date: Fri, 20 May 2022 07:37:45 +0000 Message-ID: <20220520073747.1184091-1-liupeng256@huawei.com> X-Mailer: git-send-email 2.25.1 MIME-Version: 1.0 X-Originating-IP: [10.175.112.125] X-ClientProxiedBy: dggems705-chm.china.huawei.com (10.3.19.182) To kwepemm600017.china.huawei.com (7.193.23.234) X-CFilter-Loop: Reflected Authentication-Results: imf15.hostedemail.com; dkim=none; dmarc=pass (policy=quarantine) header.from=huawei.com; spf=pass (imf15.hostedemail.com: domain of liupeng256@huawei.com designates 45.249.212.188 as permitted sender) smtp.mailfrom=liupeng256@huawei.com X-Rspamd-Server: rspam06 X-Rspamd-Queue-Id: 26F49A000F X-Rspam-User: X-Stat-Signature: 9pq3bt4xymjgew7sboh9p5p7qfwrkmta X-HE-Tag: 1653031363-947691 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: Helper node_available() is introduced to judge whether a node can be used, and it is used to fix the wrong use of nr_online_nodes when numa node is sparse. v1->v2: Modify comments as suggested by Bjorn Helgaas. Peng Liu (2): numa: create node_available() helper null_blk: fix wrong use of nr_online_nodes arch/ia64/hp/common/sba_iommu.c | 2 +- arch/x86/pci/acpi.c | 2 +- drivers/acpi/arm64/iort.c | 2 +- drivers/block/null_blk/main.c | 45 ++++++++++++++++++++------------- drivers/pci/pci-sysfs.c | 2 +- include/linux/nodemask.h | 3 +++ mm/mempolicy.c | 2 +- 7 files changed, 36 insertions(+), 22 deletions(-)