Messages in this thread | | | From | Michael Ellerman <> | Subject | Re: [PATCH v2 1/1] mm: only dispaly online cpus of the numa node | Date | Tue, 03 Oct 2017 12:22:44 +1100 |
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Zhen Lei <thunder.leizhen@huawei.com> writes:
> When I executed numactl -H(which read /sys/devices/system/node/nodeX/cpumap > and display cpumask_of_node for each node), but I got different result on > X86 and arm64. For each numa node, the former only displayed online CPUs, > and the latter displayed all possible CPUs. Unfortunately, both Linux > documentation and numactl manual have not described it clear.
FWIW powerpc happens to implement the x86 behaviour, online CPUs only.
cheers
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