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From(Alan Cox)
SubjectRe: mmap() versus read()
DateFri, 6 Mar 1998 08:52:56 +0000 (GMT)
> So is this expected?  Is there a knob I can twist?  Is this just 2.0.32
> buffer problems and would be fixed by 2.0.33?

mmap doesnt do readahead on faults in 2.0.x, that increases the I/O load
when paging mmap data versus read() quite a lot


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