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Am Dienstag, 15. Juni 2004 00:08 schrieb Duncan Sands:
> > > x86 systems are supposed to be cache coherent in this situation. The
> > > bridge will untangle the mess as neccessary. The PC is the unusual one
> > > here - most other platforms (eg mips) behave like the PPC
> >
> > Okay. So we do need to put the parts written by the hardware and the
> > parts used by the software on different cache lines for non-PC platforms.
>
> I always wondered about transfer buffers... does kmalloc hand out memory
> in cache line aligned pieces? Is it possible for different kmalloc'd chunks of
> memory to live in the same cache line?
No. Kmalloc is safe. Provided you do one kmalloc per buffer.
Regards
Oliver
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