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SubjectRe: [PATCH 6/7] psi: pressure stall information for CPU, memory, and IO
On Wed, May 09, 2018 at 12:05:51PM +0200, Peter Zijlstra wrote:
> On Mon, May 07, 2018 at 05:01:34PM -0400, Johannes Weiner wrote:
> > + u64 some[NR_PSI_RESOURCES] = { 0, };
> > + u64 full[NR_PSI_RESOURCES] = { 0, };
>
> > + some[r] /= max(nonidle_total, 1UL);
> > + full[r] /= max(nonidle_total, 1UL);
>
> That's a bare 64bit divide.. that typically failed to build on 32bit
> archs.

Ah yes, I'll switch that to do_div(). Thanks

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