Re: [PATCHv8 00/12] Contiguous Memory Allocator

[Russell King - ARM Linux]

On Thu, Dec 23, 2010 at 06:30:57PM +0900, Kyungmin Park wrote:
> Hi Andrew,
> 
> any comments? what's the next step to merge it for 2.6.38 kernel. we
> want to use this feature at mainline kernel.

Has anyone addressed my issue with it that this is wide-open for
abuse by allocating large chunks of memory, and then remapping
them in some way with different attributes, thereby violating the
ARM architecture specification?

In other words, do we _actually_ have a use for this which doesn't
involve doing something like allocating 32MB of memory from it,
remapping it so that it's DMA coherent, and then performing DMA
on the resulting buffer?
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