Page Attribute Tables: Difference between revisions

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(Created page with 'Like MTRR's, but * they are unlimited in number, and * they operate at page granularity. CATEGORY: x86')
 
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* they are unlimited in number, and
* they are unlimited in number, and
* they operate at page granularity.
* they operate at page granularity.
On Linux, the PAT's can be examined via debugfs:<pre>mount -t debugfs debugfs /sys/kernel/debug
cat /sys/kernel/debug/x86/pat_memtype_list</pre>
[[CATEGORY: x86]]
[[CATEGORY: x86]]

Latest revision as of 20:20, 20 April 2010

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