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Date:   Tue, 19 Jun 2018 14:07:14 +0200
From:   Michal Hocko <mhocko@kernel.org>
To:     Xie XiuQi <xiexiuqi@huawei.com>
Cc:     Punit Agrawal <punit.agrawal@arm.com>,
        Hanjun Guo <guohanjun@huawei.com>,
        Bjorn Helgaas <helgaas@kernel.org>,
        tnowicki@caviumnetworks.com, linux-pci@vger.kernel.org,
        Catalin Marinas <catalin.marinas@arm.com>,
        "Rafael J. Wysocki" <rafael.j.wysocki@intel.com>,
        Will Deacon <will.deacon@arm.com>,
        Linux Kernel Mailing List <linux-kernel@vger.kernel.org>,
        Jarkko Sakkinen <jarkko.sakkinen@linux.intel.com>,
        linux-mm@kvack.org, wanghuiqiang@huawei.com,
        Greg Kroah-Hartman <gregkh@linuxfoundation.org>,
        Bjorn Helgaas <bhelgaas@google.com>,
        Andrew Morton <akpm@linux-foundation.org>,
        zhongjiang <zhongjiang@huawei.com>,
        linux-arm <linux-arm-kernel@lists.infradead.org>
Subject: Re: [PATCH 1/2] arm64: avoid alloc memory on offline node
Message-ID: <20180619120714.GE13685@dhcp22.suse.cz>
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 <20180611134303.GC75679@bhelgaas-glaptop.roam.corp.google.com>
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On Tue 19-06-18 20:03:07, Xie XiuQi wrote:
[...]
> I tested on a arm board with 128 cores 4 numa nodes, but I set CONFIG_NR_CPUS=72.
> Then node 3 is not be created, because node 3 has no memory, and no cpu.
> But some pci device may related to node 3, which be set in ACPI table.

Could you double check that zonelists for node 3 are generated
correctly?
-- 
Michal Hocko
SUSE Labs