linux-kernel - [PATCH 0/2] null_blk: fix wrong use of nr_online

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Message-ID: <20220506015801.757918-1-liupeng256@huawei.com>
Date:   Fri, 6 May 2022 01:57:59 +0000
From:   Peng Liu <liupeng256@...wei.com>
To:     <bhelgaas@...gle.com>, <tglx@...utronix.de>, <mingo@...hat.com>,
        <bp@...en8.de>, <dave.hansen@...ux.intel.com>, <x86@...nel.org>,
        <hpa@...or.com>, <lorenzo.pieralisi@....com>,
        <guohanjun@...wei.com>, <sudeep.holla@....com>,
        <rafael@...nel.org>, <lenb@...nel.org>,
        <akpm@...ux-foundation.org>, <logang@...tatee.com>,
        <martin.oliveira@...eticom.com>, <thunder.leizhen@...wei.com>,
        <axboe@...nel.dk>, <kch@...dia.com>, <ming.lei@...hat.com>,
        <shinichiro.kawasaki@....com>, <mcgrof@...nel.org>,
        <jiangguoqing@...inos.cn>, <jpittman@...hat.com>,
        <dave@...olabs.net>, <liupeng256@...wei.com>,
        <wangkefeng.wang@...wei.com>, <linux-block@...r.kernel.org>,
        <linux-ia64@...r.kernel.org>, <linux-kernel@...r.kernel.org>,
        <linux-pci@...r.kernel.org>, <linux-acpi@...r.kernel.org>,
        <linux-arm-kernel@...ts.infradead.org>, <linux-mm@...ck.org>
Subject: [PATCH 0/2] null_blk: fix wrong use of nr_online_nodes

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.

Peng Liu (2):
  include/linux/nodemask.h: 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(-)

-- 
2.25.1