Re: Mmap device performance

Jeremy Fitzhardinge (jeremy@zip.com.au)
Fri, 12 Dec 1997 01:14:07 +1100

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Daryll Strauss wrote:
> the degradation must be happening somewhere in the kernel layers. I'm
> currently mapping the region shared with read/write access.

Oh, it also looks like mmap from /dev/mem disables caching. That's
gotta hurt...

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