Subject: Re: Recursive PT mapping strangeness?
To: Chris Gilbert <email@example.com>
From: Jason R Thorpe <firstname.lastname@example.org>
Date: 02/06/2002 07:36:52
On Wed, Feb 06, 2002 at 10:52:07AM +0000, Chris Gilbert wrote:
> say we've got 8192 pages, that's about 32MB. In the old style you got 8192
> pv_heads, with the new style you get 8168 vm_pages, because I guess we don't
> need vm_pages to manage where the vm_pages were allocated? but I'm wondering
> if we do need pv_heads for them?
> Note I'm quite possibly wrong though. I'll try to find time this evening to
> play with the code.
No, a pv_head is only needed for a vm_page in the ARM pmap.
-- Jason R. Thorpe <email@example.com>