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Subject[RFC][PATCH 11/35] mips: create ptemap.h
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Date


Signed-off-by: Dave Hansen <dave@linux.vnet.ibm.com>
---

linux-2.6.git-dave/arch/mips/include/asm/pgtable-32.h | 8 ------
linux-2.6.git-dave/arch/mips/include/asm/pgtable-64.h | 8 ------
linux-2.6.git-dave/arch/mips/include/asm/ptemap.h | 22 ++++++++++++++++++
3 files changed, 24 insertions(+), 14 deletions(-)

diff -puN arch/mips/include/asm/pgtable-32.h~mips-ptemaph arch/mips/include/asm/pgtable-32.h
--- linux-2.6.git/arch/mips/include/asm/pgtable-32.h~mips-ptemaph 2009-04-30 15:10:58.000000000 -0700
+++ linux-2.6.git-dave/arch/mips/include/asm/pgtable-32.h 2009-04-30 15:10:58.000000000 -0700
@@ -151,13 +151,7 @@ pfn_pte(unsigned long pfn, pgprot_t prot
((pte_t *) pmd_page_vaddr(*(dir)) + __pte_offset(address))
#define pte_offset_kernel(dir, address) \
((pte_t *) pmd_page_vaddr(*(dir)) + __pte_offset(address))
-
-#define pte_offset_map(dir, address) \
- ((pte_t *)page_address(pmd_page(*(dir))) + __pte_offset(address))
-#define pte_offset_map_nested(dir, address) \
- ((pte_t *)page_address(pmd_page(*(dir))) + __pte_offset(address))
-#define pte_unmap(pte) ((void)(pte))
-#define pte_unmap_nested(pte) ((void)(pte))
+#include <asm/ptemap.h>

#if defined(CONFIG_CPU_R3000) || defined(CONFIG_CPU_TX39XX)

diff -puN arch/mips/include/asm/pgtable-64.h~mips-ptemaph arch/mips/include/asm/pgtable-64.h
--- linux-2.6.git/arch/mips/include/asm/pgtable-64.h~mips-ptemaph 2009-04-30 15:10:58.000000000 -0700
+++ linux-2.6.git-dave/arch/mips/include/asm/pgtable-64.h 2009-04-30 15:10:58.000000000 -0700
@@ -215,13 +215,7 @@ static inline pmd_t *pmd_offset(pud_t *
((pte_t *) pmd_page_vaddr(*(dir)) + __pte_offset(address))
#define pte_offset_kernel(dir, address) \
((pte_t *) pmd_page_vaddr(*(dir)) + __pte_offset(address))
-#define pte_offset_map(dir, address) \
- ((pte_t *)page_address(pmd_page(*(dir))) + __pte_offset(address))
-#define pte_offset_map_nested(dir, address) \
- ((pte_t *)page_address(pmd_page(*(dir))) + __pte_offset(address))
-#define pte_unmap(pte) ((void)(pte))
-#define pte_unmap_nested(pte) ((void)(pte))
-
+#include <asm/ptemap.h>
/*
* Initialize a new pgd / pmd table with invalid pointers.
*/
diff -puN /dev/null arch/mips/include/asm/ptemap.h
--- /dev/null 2008-09-02 09:40:19.000000000 -0700
+++ linux-2.6.git-dave/arch/mips/include/asm/ptemap.h 2009-04-30 15:10:58.000000000 -0700
@@ -0,0 +1,22 @@
+#ifndef _MIPS_ASM_PTEMAP_H
+#define _MIPS_ASM_PTEMAP_H
+
+#ifdef CONFIG_32BIT
+#define pte_offset_map(dir, address) \
+ ((pte_t *)page_address(pmd_page(*(dir))) + __pte_offset(address))
+#define pte_offset_map_nested(dir, address) \
+ ((pte_t *)page_address(pmd_page(*(dir))) + __pte_offset(address))
+#define pte_unmap(pte) ((void)(pte))
+#define pte_unmap_nested(pte) ((void)(pte))
+#endif
+
+#ifdef CONFIG_64BIT
+#define pte_offset_map(dir, address) \
+ ((pte_t *)page_address(pmd_page(*(dir))) + __pte_offset(address))
+#define pte_offset_map_nested(dir, address) \
+ ((pte_t *)page_address(pmd_page(*(dir))) + __pte_offset(address))
+#define pte_unmap(pte) ((void)(pte))
+#define pte_unmap_nested(pte) ((void)(pte))
+#endif
+
+#endif /* _MIPS_ASM_PTEMAP_H */
_

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