Re: [PATCH] Fix mmap_kmem (was: [question] What's the differencebetween /dev/kmem and /dev/mem)

[Arjan van de Ven]

> I believe rootkit detectors, as well as some versions of ps (wchan
> field) use kmem.

ps doesn't use kmem, and besides, in 2.6 we export that directly in
proc. poking in /dev/mem or /dev/kmem is NOT something you "just do".
THere are lots of pitfalls, things like PCI space, memory sizes/holes,
cachability aliases etc etc that can ruin your breakfast if you
use /dev/[k]mem... 

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