lkml.org 
[lkml]   [1999]   [Jan]   [25]   [last100]   RSS Feed
Views: [wrap][no wrap]   [headers]  [forward] 
 
Messages in this thread
    /
    Date
    From
    SubjectRe: MM deadlock [was: Re: arca-vm-8...]


    On Mon, 25 Jan 1999, Dr. Werner Fink wrote:
    >
    > This hypothetical bit should only be set if the page is read physical
    > from the swap device/file. That means it would take one step more
    > to swap out this page again (test_and_clear_bit of both
    > PG_recently_swapped_in and PG_referenced).

    Ehh - it is already marked "accessed" in the page tables, which
    essentially amounts to exactly that kind of two-level aging (the
    PG_referenced bit only takes effect once the swapped-in page has once more
    been evicted from the page tables)

    Linus


    -
    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 13:50    [W:5.783 / U:0.136 seconds]
    ©2003-2020 Jasper Spaans|hosted at Digital Ocean and TransIP|Read the blog|Advertise on this site