kernel mapping

David Edelsohn dje at watson.ibm.com
Wed Jan 17 04:47:16 EST 2001


>>>>> Dan Malek writes:

Dan> I have been experimenting with many different methods of using
Dan> the "large" page table sizes through the generic memory management
Dan> methods that already exist in the kernel.  I believe I can wrap
Dan> the concept of the pinned TLB entries into the same logic as BAT
Dan> register management on the bigger processors.  Hence, I call them
Dan> simulated BAT registers....the semantics aren't quite the same.

	Note that forthcoming 64-bit PowerPC chips from IBM utilize
multiple page sizes and no longer provide BAT registers.  "BAT register
management on the bigger processors" is a misnomer.

David

** Sent via the linuxppc-dev mail list. See http://lists.linuxppc.org/





More information about the Linuxppc-dev mailing list