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Date:      Fri, 2 Mar 2001 15:42:50 -0500 (EST)
From:      Andrew Gallatin <gallatin@cs.duke.edu>
To:        Doug Rabson <dfr@nlsystems.com>
Cc:        John Baldwin <jhb@FreeBSD.org>, <ia64@FreeBSD.org>
Subject:   Re: Grrrr..
Message-ID:  <15008.1482.524485.786926@grasshopper.cs.duke.edu>
In-Reply-To: <Pine.BSF.4.33.0103011622410.42199-100000@herring.nlsystems.com>
References:  <XFMail.010227112837.jhb@FreeBSD.org> <Pine.BSF.4.33.0103011622410.42199-100000@herring.nlsystems.com>

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Doug Rabson writes:
 > 
 > I remember now. I always intended to redo pmap_map() via the direct-mapped
 > segments. This saves kernel virtual address space (of which there is
 > plenty) but more importantly saves TLB entries and on ia64 VHTP entries. I
 > just hacked up this patch which isn't tested on anything but I think its
 > on the right lines. Beware of conflicts - Drew Gallatin is working in this
 > area.
 > 

I'm done now (and your latest patch at the top of this thread
incorporates my committed changes).

I really like using the direct-mapped segment for this.

Drew


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