Re: PCI DMA to small buffers on cache-incoherent arch

[Roland Dreier]

>>>>> "Tom" == Tom Rini <[e-mail]> writes:

    Tom> SMP_CACHE_BYTES is non-sensical on 4xx (and 8xx) since they
    Tom> don't do SMP..

True but <asm/cache.h> defines it anyway...  of course it would be no
problem to use L1_CACHE_BYTES and in fact that probably makes sense
because we're talking about PPC-only macros (other arches would have
their own definition).

Best,
  Roland