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