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    SubjectRe: Calling current() from interrupt context
    Based of my measurement on i386 smp configuration,

    If a system has plenty of runnable tasks, schedule() produces
    noticable amount of cache misses at runqueue-head traversing and the
    goodness calculations.

    David S. Miller writes:
    > Some of us actually have instrumented it :-) I added a coloring
    > mechanism to the task/kstack allocator on sparc64. It made no
    > noticable difference whatsoever to any real life measurement I
    > attempted.

    Did you slide task-struct itself?

    --
    Computer Systems Laboratory, Fujitsu Labs.
    kumon@flab.fujitsu.co.jp
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