Subversion Repositories HelenOS-historic

Last modification

• Rev 831 2006-02-10 17:11:14
• Author: jermar

• Log message:

  Make use of one unused bit in PTE formats of amd64, ia32 and mips32 to store 1 in valid mappings.
  This helps to distinguish valid entries from not present entries with 0 content (i.e. not present
  entries with PFN 0 and other bits cleared).