lkml.org 
[lkml]   [1998]   [Dec]   [19]   [last100]   RSS Feed
Views: [wrap][no wrap]   [headers]  [forward] 
 
Messages in this thread
    /
    Date
    From
    SubjectRe: PG_clean for shared mapping smart syncing
    Hi,

    On Sat, 19 Dec 1998 17:37:03 +0100 (CET), Andrea Arcangeli
    <andrea@e-mind.com> said:

    > Ah but I just found a problem... When we set the PG_clean flag on the page
    > we should set the pte readonly for that page in all process vm and not
    > only in the process running. But if we must play with the page table it's
    > easier to directly set the page as clean as I was used to do with my
    > previous update_shared_mappings() patch. So I think we could drop
    > completly my last patch and return to my old code and solve the problem to
    > handle the mmap_sem locking right...

    Agreed, I much prefer the concept of being able to reliably keep the pte
    dirty bits consistent between processes.

    --Stephen

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

    \
     
     \ /
      Last update: 2005-03-22 13:46    [W:0.021 / U:119.540 seconds]
    ©2003-2016 Jasper Spaans. hosted at Digital OceanAdvertise on this site