On Sat, 2005-09-17 at 12:10 -0400, Linh Dang wrote: > Hi, how come reading memory from /dev/mem using pread(2) or mmap(2) > will give diffent results? because you're being evil ;) mmap of /dev/mem for *ram* is special. To avoid cache aliases and other evils, you can only mmap non-ram realistically on /dev/mem. Why are you using /dev/mem in the first place, it's a sure sign that you're doing something really wrong in your design...
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