Re: ~500 megs cached yet 2.6.5 goes into swap hell

[Jeff Garzik]

Andrew Morton wrote:
> Jeff Garzik <jgarzik@xxxxxxxxx> wrote:
> > Does our fadvise support len==0 ("I mean the whole file")?  That's 
> > defined in POSIX, and would allow a compliant app to simply 
> > POSIX_FADV_DONTNEED once at the beginning.
>
>
> Well I'll be darned.


FWIW the specific language is "If len is zero, all data following offset 
is specified."

(for others, you probably already have this somewhere)
http://www.opengroup.org/onlinepubs/007904975/functions/posix_fadvise.html

top level SuSv3:
http://www.opengroup.org/onlinepubs/007904975/toc.htm

	Jeff



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