Does kmalloc on MPC82xx work correctly with GFP_DMA?
Conor McLoughlin
cml3227 at eircom.net
Wed Oct 20 01:26:27 EST 2004
Thanks to everyone who replied. I appreciate your time to help
educate me.
> It works because the 82xx is cache coherent. The MMU mapping
> is irrelevant.
That is the missing piece of the puzzle. I had worked with the 860
before and this was an issue. It hadn't occurred to me that the 82xx
was different.
> There is no bug here. Just because people don't
> understand how something works doesn't mean there is a bug
> present.
The reason I asked the question in the first place was because I didn't
understand how it could work. I now understand it and can rest easier.
Thanks,
Conor
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