lkml.org 
[lkml]   [2003]   [May]   [22]   [last100]   RSS Feed
Views: [wrap][no wrap]   [headers]  [forward] 
 
Messages in this thread
    /
    Date
    From
    SubjectRe: [patch] futex requeueing feature, futex-requeue-2.5.69-D3
    On Thu, May 22, 2003 at 01:34:42PM +0200, Ingo Molnar wrote:
    > there's a patch in the works to change futex hashing to not require page
    > pinning, without making futexes process-local. This should also fix the
    > FUTEX_FD problems.
    > basically the idea is that struct page remains to be a good hash whenever
    > the page is present, and the swapout pte value is a good hash key when the
    > page is swapped out. So we basically can make futexes swappable.
    > this gets rid of pinned pages and pagetable locking, without the need for
    > API-level changes.

    Someone's already doing it? I'll back off if so.


    -- wli
    -
    To unsubscribe from this list: send the line "unsubscribe linux-kernel" in
    the body of a message to majordomo@vger.kernel.org
    More majordomo info at http://vger.kernel.org/majordomo-info.html
    Please read the FAQ at http://www.tux.org/lkml/

    \
     
     \ /
      Last update: 2005-03-22 13:35    [W:0.028 / U:0.420 seconds]
    ©2003-2016 Jasper Spaans. hosted at Digital OceanAdvertise on this site