[lkml]   [2008]   [Aug]   [5]   [last100]   RSS Feed
Views: [wrap][no wrap]   [headers]  [forward] 
Messages in this thread
    SubjectRe: Switching TestSetPageLocked to trylock_page

    On Tue, 5 Aug 2008, Nick Piggin wrote:
    > The part that helps x86 is another patch further down my stack, which
    > can avoid looking at the hashed page waitqueue at unlock_page-time.
    > Basically this eliminates the entire page waitqueue from the cache
    > footprint of fastpath workloads where the lock is uncontended (often:
    > page faulting, write(2), writeout etc).

    Hmm. Tell me more. Contention bit?


     \ /
      Last update: 2008-08-05 06:31    [W:0.019 / U:44.508 seconds]
    ©2003-2016 Jasper Spaans. hosted at Digital OceanAdvertise on this site