> > (except that it probably ought to be moved into x86.)
> 
> attached version for x86. is it okay? (tested on amd64 only)
> 
> notice that I didn't add check_pa_acc() prototype to any header in
> x86/include because I didn't know where it was appropriate...

i meant to move the most of mem_clusters management code
into, say, x86/memcluster.c.
(blame me for not doing so when writing i386 version. :-)

YAMAMOTO Takashi