[lkml]   [2010]   [Jan]   [5]   [last100]   RSS Feed
Views: [wrap][no wrap]   [headers]  [forward] 
Messages in this thread
    SubjectRe: [RFC][PATCH 6/8] mm: handle_speculative_fault()
    On Tue, 5 Jan 2010, Andi Kleen wrote:

    > > Oh well. Somebody who is bored might look at trying to make the wrapper
    > > code in arch/x86/lib/semaphore_32.S work on x86-64 too. It should make the
    > > successful rwsem cases much faster.
    > Maybe, maybe not.

    What we saw in the past was that the cost of acquiring exclusive
    access to the contended cachelines containing mmap_sem and rss counters
    was most important.

     \ /
      Last update: 2010-01-05 18:53    [W:0.018 / U:67.148 seconds]
    ©2003-2017 Jasper Spaans. hosted at Digital OceanAdvertise on this site