Re: Uncacheable memory?

Philip Blundell (pb@nexus.co.uk)
Wed, 28 Jul 1999 15:12:28 +0100

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>Is there a way to allocate memory in the kernel that you could mark as
>uncacheable? I'm currently running with 2.2.10, and would like to mark
>a region of memory I acquire with kmalloc as uncacheable. Thanks.

You can't "mark" an area as uncacheable as such, but you can create an alias
mapping for it that is uncached. The SA-1100 framebuffer driver does this, I
think. Let me know if you have trouble figuring out how to do it.

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