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    SubjectRe: [PATCH] Priority Lists for the RT mutex
    Ingo Molnar wrote:
    >
    > What would be nice to achieve are [low-cost] reductions of the size of
    > struct rt_mutex (in include/linux/rt_lock.h), upon which all other
    > PI-aware locking objects are based. Right now it's 9 words, of which
    > struct plist is 5 words. Would be nice to trim this to 8 words - which
    > would give a nice round size of 32 bytes on 32-bit.

    Yes, the size of pl_head in that patch is 4 words, it doesn't have ->prio.

    Oleg.
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