Use the new _PAGE_PSE to map all kernel RAM with 8 MB TLBs
Signed-off-by: Joakim Tjernlund <joakim.tjernl...@transmode.se>
---
arch/ppc/mm/pgtable.c | 4 +++-
1 files changed, 3 insertions(+), 1 deletions(-)
diff --git a/arch/ppc/mm/pgtable.c b/arch/ppc/mm/pgtable.c
index 866ae43..56e847e 100644
--- a/arch/ppc/mm/pgtable.c
+++ b/arch/ppc/mm/pgtable.c
@@ -298,7 +298,9 @@ void __init mapin_ram(void)
/* On the MPC8xx, we want the page shared so we
* don't get ASID compares on kernel space.
*/
- f = _PAGE_PRESENT | _PAGE_ACCESSED | _PAGE_SHARED |
_PAGE_HWEXEC;
+ f = _PAGE_PSE | _PAGE_PRESENT | _PAGE_ACCESSED | _PAGE_SHARED |
_PAGE_HWEXEC;
+ if (_PAGE_PSE)
+ f |= _PAGE_WRENABLE;
#if defined(CONFIG_KGDB) || defined(CONFIG_XMON) || defined(CONFIG_BDI_SWITCH)
/* Allows stub to set breakpoints everywhere */
f |= _PAGE_WRENABLE;
--
1.7.3.4
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