cvs commit: src/sys/amd64/amd64 pmap.c src/sys/amd64/include pmap.h

[Alan Cox]

alc         2008-03-04 18:50:15 UTC

  FreeBSD src repository

  Modified files:
    sys/amd64/amd64      pmap.c 
    sys/amd64/include    pmap.h 
  Log:
  Add support for automatic promotion of 4KB page mappings to 2MB page
  mappings.  Automatic promotion can be enabled by setting the tunable
  "vm.pmap.pg_ps_enabled" to a non-zero value.  By default, automatic
  promotion is disabled.  (Expect this to change.)
  
  Reviewed by:    ups
  Tested by:      kris, Peter Holm
  
  Revision  Changes     Path
  1.606     +1072 -104  src/sys/amd64/amd64/pmap.c
  1.140     +11 -3      src/sys/amd64/include/pmap.h