Re: [PATCH 6/7] psi: pressure stall information for CPU, memory, and IO

Peter Zijlstra
2018-05-09T10:05:51Z

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.