> On the other hand, Linus's version also swaps out at least 2
> MB on doing wc /usr/bin/* to make room for worthless page cache
> pages. This may be a good thing... Perhaps it only goes up the
> "right" amount of swap and then stops. However, some pieces of
> netscape needed to be swapped back in afterwards, which I think
> should not happen. Perhaps that is the best that we can do with
> only 1 bit of age information?
I haven't really kept up with the source lately, but
maybe we want to mark pages referenced on swap_out()
so that we don't free the swap cache ages on the
first pass and page cache pages are put at a slight
disadvantage...
(and we also want to do that on readahead, but we
probably already do that)
cheers,
Rik -- If a Microsoft product fails, who do you sue?
+-------------------------------------------------------------------+
| Linux memory management tour guide. riel@humbolt.geo.uu.nl |
| Scouting Vries cubscout leader. http://humbolt.geo.uu.nl/~riel |
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