> Take a look at madvise for Solaris. You can say for a
> mmaped area that you are going to read sequentially (do
> lots of readahead), read randomly (do no readahead at all),
> that you are going to need an area soon, or that you are
> (probably) not going to need the area at all any more.
I see no reason for an madvise() -- the kernel should be able to monitor
faults and if they are sequential, decided for _itself_ that lots of
readahead is a good idea. Calling madvise() is still incurring the
overhead of a system call too.
Chris
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