Re: Question with maxcpus= parameter.

[Yinghai Lu]

On Sun, Nov 8, 2015 at 9:47 PM, Zhenzhong Duan
<zhenzhong.duan@xxxxxxxxxx> wrote:
> Tried nr_cpus=4, works.
>

nr_cpus and maxcpus are different.

maxcpus=4 means kernel will only bring up 4 cpus, but other cpus still
can be brought up online.
if there are more cpu are there according acpi MADT.

nr_cpus=4 that means 4 is hard limit, just like you compiled kernel
with CONFIG_NR_CPUS=4.

Yinghai
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