> > the biggest reason for this is that we *suck* at readahead for mmap....
>
> Is there not also fault overhead and similar issues related to mmap(2)
> in general, that are not present with read(2)/write(2)?
If a fault is more expensive than a system call, we're doing
something wrong in the page fault path ;)
Rik
-- "Linux holds advantages over the single-vendor commercial OS" -- Microsoft's "Competing with Linux" documenthttp://www.surriel.com/ http://distro.conectiva.com/
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