Messages in this thread | | | Date | Fri, 06 Mar 1998 08:29:34 -0500 | From | mlord <> | Subject | Re: mmap() versus read() |
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Alan Cox wrote: > > > 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
I wonder why we bother paging mmap'd data that could instead be re-read from the original file on disk? Or did I read that wrong? -- mlord@pobox.com The Linux IDE guy
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