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posix_fadvise.2: srcfix 

Signed-off-by: Michael Kerrisk <mtk.manpages@gmail.com>
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Michael Kerrisk 2014-12-30 21:48:30 +01:00
parent ceb1c326b9
commit 4bcf6cdf93
1 changed files with 7 additions and 4 deletions
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11
man2/posix_fadvise.2
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@ -154,10 +154,13 @@ A program may periodically request the kernel to free cached data
that has already been used, so that more useful cached pages are not
discarded instead.
Requests to discard partial pages are ignored. It is preferable to preserve
needed data than discard unneeded data. If the application requires that
data be considered for discarding then \fIoffset\fP and \fIlen\fP must be
page-aligned.
Requests to discard partial pages are ignored.
It is preferable to preserve needed data than discard unneeded data.
If the application requires that data be considered for discarding then
.I offset
and
.I len
must be page-aligned.
Pages that have not yet been written out will be unaffected, so if the
application wishes to guarantee that pages will be released, it should