Subject: kern/27030: uvm page type balancing don't care kernel_object
To: None <gnats-bugs@gnats.NetBSD.org>
From: None <yamt@mwd.biglobe.ne.jp>
List: netbsd-bugs
Date: 09/25/2004 20:32:53
>Number: 27030
>Category: kern
>Synopsis: uvm page type balancing don't care kernel_object
>Confidential: no
>Severity: non-critical
>Priority: low
>Responsible: kern-bug-people
>State: open
>Class: sw-bug
>Submitter-Id: net
>Arrival-Date: Sat Sep 25 11:33:00 UTC 2004
>Closed-Date:
>Last-Modified:
>Originator: YAMAMOTO Takashi <yamt@mwd.biglobe.ne.jp>
>Release: NetBSD 2.0G
>Organization:
>Environment:
System: NetBSD kaeru 2.0G NetBSD 2.0G (build.kaeru) #1702: Sat Sep 25 10:57:38 JST 2004 takashi@kaeru:/usr/home/takashi/work/kernel/build.kaeru i386
Architecture: i386
Machine: i386
>Description:
when doing pageout, uvm don't care about pages in kernel_object.
while they're counted as anon, the most of them are wired and
can't be paged out. it imposes unfair penalty upon other anon pages,
and make pagedaemon unnecessarily busy.
>How-To-Repeat:
code inspection.
>Fix:
>Release-Note:
>Audit-Trail:
>Unformatted: