Linus Torvalds wrote:
> For people like that, wouldn't it be nice to just be able to tell them: if
> you do X, we guarantee that you'll get optimal zero-copy performance for
> reading a file.
Don't forget to include the need for mmap(... MAP_ANON ...) prior to the
read.
Given the user will need to establish a new mapping anyway, why pussy
foot around with subtleties? Just add a MAP_PREFAULT flag to mmap(),
which reads the whole file and maps it before returning.
-- Jamie
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This archive was generated by hypermail 2b29 : Thu Aug 15 2002 - 22:00:22 EST