Re: Fairness in love and swapping

["Stephen C. Tweedie" <sct@dcs.ed.ac.uk>]

Hi,

On Thu, 26 Feb 1998 12:34:40 +0100 (MET), Rik van Riel
<H.H.vanRiel@fys.ruu.nl> said:

> Without my mmap-age patch, page cache pages aren't aged
> at all... They're just freed whenever they weren't referenced
> since the last scan. The PAGE_AGE_VALUE is quite useless IMO
> (but I could be wrong, Stephen?).

They _are_ useful for mapped images such as binaries (which are swapped
out by vmscan.c, not filemap.c), but not for otherwise unused, pure
cached pages.

--Stephen