[elrepo] kernel-ml compilation flags

Akemi Yagi toracat at elrepo.org
Tue Sep 23 12:59:47 EDT 2014


On Mon, Sep 22, 2014 at 5:38 PM, Martin Ichilevici de Oliveira
<iomartin at iomartin.net> wrote:
> Hello,
>
> I have installed kernel-ml on two machines, both being NUMA machines.
>
> On the first machine (a vm running with emulated nodes through qemu),
> the CONFIG_NUMA_BALANCING flag was used for configuring the kernel.
> On the second, a "real" NUMA machine, that flag was not set.
>
> Why did this happen? Other NUMA-related flags were set on the second
> machine, which I believe means that the kernel detected it is dealing
> with a NUMA machine.
>
> Maybe a more important question is: is it possible to define which flags
> to use when installing the kernel? I'd rather not go through a manual
> compilation of the kernel.

Is this EL6 or EL7?

Also, by "flag", do you mean "kernel config option"?

Akemi


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