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SubjectRe: [PATCH v3] arm64: mm: Fix NOMAP page initialization
On 12.01.17 16:05:36, Will Deacon wrote:
> On Mon, Jan 09, 2017 at 12:53:20PM +0100, Robert Richter wrote:

> > Kernel compile times (3 runs each):
> >
> > pfn_valid_within():
> >
> > real 6m4.088s
> > user 372m57.607s
> > sys 16m55.158s
> >
> > real 6m1.532s
> > user 372m48.453s
> > sys 16m50.370s
> >
> > real 6m4.061s
> > user 373m18.753s
> > sys 16m57.027s
>
> Did you reboot the machine between each build here, or only when changing
> kernel? If the latter, do you see variations in kernel build time by simply
> rebooting the same Image?

I built it in a loop on the shell, so no reboots between builds. Note
that I was building the kernel in /dev/shm to not access harddisks. I
think build times should be comparable then since there is no fs
caching.

-Robert

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