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SubjectRe: ~500 megs cached yet 2.6.5 goes into swap hell
Andrew Morton wrote:
> Jeff Garzik <> 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)

top level SuSv3:


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