cvs commit: src/sys/i386/i386 pmap.c

Mon May 1 21:22:42 UTC 2006

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