commit | 837cd0bdf54dd954cd6aa43d250f75ab5db79617 | [log] [tgz] |
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author | Robin Holt <holt@sgi.com> | Fri Nov 11 09:35:43 2005 -0600 |
committer | Tony Luck <tony.luck@intel.com> | Fri Nov 11 09:37:29 2005 -0800 |
tree | ef28b91f1ac8c1c9f4244da9be1f994306ef4070 | |
parent | d12eb7e11cf30c30f639b2093735af2ac177830b [diff] |
[IA64] 4-level page tables This patch introduces 4-level page tables to ia64. I have run some benchmarks and found nothing interesting. Performance has consistently fallen within the noise range. It also introduces a config option (setting the default to 3 levels). The config option prevents having 4 level page tables with 64k base page size. Signed-off-by: Robin Holt <holt@sgi.com> Signed-off-by: Tony Luck <tony.luck@intel.com>