peter 2006-05-01 21:22:38 UTC
FreeBSD src repository
Modified files:
sys/i386/i386 pmap.c
Log:
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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