[PATCH 14/14] 8xx: The TLB miss handler manages ACCESSED correctly.
Joakim Tjernlund
Joakim.Tjernlund at transmode.se
Mon Oct 10 22:30:20 EST 2011
The new MMU/TLB code no longer sets ACCESSED unconditionally
so remove the exception.
Signed-off-by: Joakim Tjernlund <Joakim.Tjernlund at transmode.se>
---
include/asm-ppc/pgtable.h | 10 ----------
1 files changed, 0 insertions(+), 10 deletions(-)
diff --git a/include/asm-ppc/pgtable.h b/include/asm-ppc/pgtable.h
index 6cfc5fc..b94e8a8 100644
--- a/include/asm-ppc/pgtable.h
+++ b/include/asm-ppc/pgtable.h
@@ -318,16 +318,6 @@ extern unsigned long vmalloc_start;
#define _PMD_PAGE_MASK 0x000c
#define _PMD_PAGE_8M 0x000c
-/*
- * The 8xx TLB miss handler allegedly sets _PAGE_ACCESSED in the PTE
- * for an address even if _PAGE_PRESENT is not set, as a performance
- * optimization. This is a bug if you ever want to use swap unless
- * _PAGE_ACCESSED is 2, which it isn't, or unless you have 8xx-specific
- * definitions for __swp_entry etc. below, which would be gross.
- * -- paulus
- */
-#define _PTE_NONE_MASK _PAGE_ACCESSED
-
#else /* CONFIG_6xx */
/* Definitions for 60x, 740/750, etc. */
#define _PAGE_PRESENT 0x001 /* software: pte contains a translation */
--
1.7.3.4
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