Re: [PATCH] mm: evict streaming IO cache first

KAMEZAWA Hiroyuki
2008-11-17T08:22:57Z

On Mon, 17 Nov 2008 16:03:48 +0900
"KOSAKI Motohiro" <kosaki.motohiro@jp.fujitsu.com> wrote:
> > How about resetting zone->recent_scanned/rotated to be some value calculated from
> > INACTIVE_ANON/INACTIVE_FILE at some time (when the system is enough idle) ?
>
> in get_scan_ratio()
>
But active/inactive ratio (and mapped_ratio) is not handled there.

Follwoing 2 will return the same scan ratio.
==case 1==
active_anon = 480M
inactive_anon = 32M
active_file = 2M
inactive_file = 510M

==case 2==
active_anon = 480M
inactive_anon = 32M
active_file = 480M
inactive_file = 32M
==

-Kame