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    [from the cache]
©2003-2020 Jasper Spaans|hosted at Digital Ocean and my Meterkast|Read the blog