cvs commit: src/sys/i386/i386 pmap.c
sobomax at FreeBSD.org
Mon May 1 21:33:18 UTC 2006
Just curious what does it bring us in terms of performance/memory savings?
Peter Wemm wrote:
> peter 2006-05-01 21:22:38 UTC
> FreeBSD src repository
> Modified files:
> sys/i386/i386 pmap.c
> Using an idea from Stephan Uphoff, use the empty pte's that correspond
> to the unused kva in the pv memory block to thread a freelist through.
> This allows us to free pages that used to be used for pv entry chunks
> since we can now track holes in the kva memory block.
> Idea from: ups
> Revision Changes Path
> 1.555 +115 -50 src/sys/i386/i386/pmap.c
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