readahead(2) - Linux
ed at 80386.nl
Tue Mar 4 08:49:15 UTC 2008
* Julian Elischer <julian at elischer.org> wrote:
> the aim is to load it into system memory but not copy anything into
> user memory.
madvise() should do the trick, then.
The manpage is quite misleading:
"readahead() populates the page cache with data from a file so that
subsequent reads from that file will not block on disk I/O."
This isn't guaranteed, of course.
Ed Schouten <ed at fxq.nl>
-------------- next part --------------
A non-text attachment was scrubbed...
Name: not available
Size: 195 bytes
Desc: not available
Url : http://lists.freebsd.org/pipermail/freebsd-hackers/attachments/20080304/d18fae67/attachment.pgp
More information about the freebsd-hackers