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    SubjectRe: [PATCH 02/10] mm: system wide ALLOC_NO_WATERMARK
    On Mon, 6 Aug 2007, Peter Zijlstra wrote:

    > > > Shudder. That can just be a desaster for NUMA. Both performance wise
    > > > and logic wise. One cpuset being low on memory should not affect
    > > > applications in other cpusets.
    > Do note that these are only PF_MEMALLOC allocations that will break the
    > cpuset. And one can argue that these are not application allocation but
    > system allocations.

    This is global, global locking etc etc. On a large NUMA system this will
    cause significant delays. One fears that a livelock may result.

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      Last update: 2007-08-06 21:13    [W:0.018 / U:94.820 seconds]
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