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

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