cvs commit: src/sys/i386/i386 pmap.c
nate at root.org
Sat Apr 29 05:37:44 UTC 2006
Peter Jeremy wrote:
> On Fri, 2006-Apr-28 14:22:34 -0700, Peter Wemm wrote:
>> On Friday 28 April 2006 12:05 pm, Peter Wemm wrote:
>>> ups@ had a truely evil idea that I'll investigate. It should allow
>>> freeing unused pages again by giving us a no-cost way to track the
>>> holes in the kva block.
>> FWIW, this idea appears to work. For the curious:
> Care to explain how this works in slightly more detail than "truely evil".
The PTE (page-table entry) is an appropriate size to store a pointer.
So you link them all together in a freelist.
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