[elrepo] kernel-ml compilation flags

Martin Ichilevici de Oliveira iomartin at iomartin.net
Tue Sep 23 13:21:56 EDT 2014


On Tue, Sep 23, 2014 at 09:59:47AM -0700, Akemi Yagi wrote:
> 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?

EL6.

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

Yes.
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