Cachable / Non-cachable memory

[Dan Malek]

raphael.bossek at solutions4linux.de wrote:


> how does Linux specify memory regions as cachable and non-
> cachable?


Any memory mapping request outside of the range of real
memory is mapped uncached/guarded.  Look at drivers/char/mem.c

Driver requests to ioremap() are mapped uncached/guarded.


	-- Dan

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