consistent_free()

[Paul Mackerras]

Tom Rini writes:

> My only concern is that is it a good idea to make a 'consistent_alloc'
> and 'consistent_free' functions for  cache-cohernet processors, which
> aren't doing what the name implies?  The only possible caller of these
> are pci_alloc_consistent and pci_free_consistent, in a cache-cohernet
> processor.

"Consistent" means "the cpu and the device see the same stuff in
memory".  On a cache-coherent system that is true of all normal
memory.  Surely that is obvious?

Paul.

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