cvs commit: src/sys/amd64/amd64 pmap.c src/sys/i386/i386 pmap.c

[Stephan Uphoff]

ups         2007-04-25 18:21:24 UTC

  FreeBSD src repository

  Modified files:        (Branch: RELENG_6)
    sys/amd64/amd64      pmap.c 
    sys/i386/i386        pmap.c 
  Log:
  MFC:
  Invalidate all TLBs and page structure caches that may reference a page
  for page walk acceleration before releasing it to the free list.
  
  This is required for CPUs implementing page structure caches as described
  in the Intel application note:
          "TLBs, Paging-Structure Caches, and Their Invalidation"
           (Document Number: 317080-001)
  
  Revision    Changes    Path
  1.516.2.10  +65 -28    src/sys/amd64/amd64/pmap.c
  1.523.2.17  +67 -25    src/sys/i386/i386/pmap.c