Subject: Re: Multiple page sizes and the pmap API
To: None <email@example.com>
From: Nathan J. Williams <firstname.lastname@example.org>
Date: 12/06/2001 16:05:26
Jason R Thorpe <email@example.com> writes:
> * Some bits in the "prot" argument to pmap_enter() and
> pmap_kenter_pa() would be used to specify an index into
> this table specifying the page size to use. By default,
> the index will be 0 (if not specified), and thus the
> base page size will be used.
Be careful to allocate enough bits here for the large number of page
sizes permitted by some architetures, since they're being allocated in
a MI bit-space. The IA64 architecture, for example, has ten different
page sizes, from 4k to 256M.