[parisc-linux] Re: RFC: mmap patch

[David S. Miller]

   From: Matthew Wilcox <willy@debian.org>
   Date: Sat, 8 Mar 2003 23:11:25 +0000

   One other difference you forgot is that Sparc64 has writethrough caches
   and PA has writeback caches.  This can make a difference.
   
It certainly could, but I think sparc64's schemes will work.
Please document any differences you discover, preferably with
text to go into Documentation/cachetlb.txt

The big variable is whether the cache lines are tagged with
physical addresses or not, that _does_ make a known difference.

But, it appears that so far all information suggests that
PA Risc uses physical tags.