Check out my first novel, midnight's simulacra!

Page Attribute Tables

From dankwiki
Revision as of 00:20, 21 April 2010 by Dank (talk | contribs)
(diff) ← Older revision | Latest revision (diff) | Newer revision → (diff)

Like MTRR's, but

  • they are unlimited in number, and
  • they operate at page granularity.

On Linux, the PAT's can be examined via debugfs:

mount -t debugfs debugfs /sys/kernel/debug
cat /sys/kernel/debug/x86/pat_memtype_list