x86: move more pagetable-related definitions into pgtable*.h

PAGETABLE_LEVELS and the PTE masks should be in pgtable*.h Signed-off-by: Jeremy Fitzhardinge <jeremy.fitzhardinge@citrix.com>
mariux64 · Feb 13, 2009 · 9b3651c · 9b3651c
1 parent 0341c14
commit 9b3651c
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Showing 7 changed files with 11 additions and 10 deletions.
diff --git a/arch/x86/include/asm/page_32_types.h b/arch/x86/include/asm/page_32_types.h
@@ -33,12 +33,10 @@
 /* 44=32+12, the limit we can fit into an unsigned long pfn */
 #define __PHYSICAL_MASK_SHIFT	44
 #define __VIRTUAL_MASK_SHIFT	32
-#define PAGETABLE_LEVELS	3
 
 #else  /* !CONFIG_X86_PAE */
 #define __PHYSICAL_MASK_SHIFT	32
 #define __VIRTUAL_MASK_SHIFT	32
-#define PAGETABLE_LEVELS	2
 #endif	/* CONFIG_X86_PAE */
 
 #ifndef __ASSEMBLY__

diff --git a/arch/x86/include/asm/page_64_types.h b/arch/x86/include/asm/page_64_types.h
@@ -1,8 +1,6 @@
 #ifndef _ASM_X86_PAGE_64_DEFS_H
 #define _ASM_X86_PAGE_64_DEFS_H
 
-#define PAGETABLE_LEVELS	4
-
 #define THREAD_ORDER	1
 #define THREAD_SIZE  (PAGE_SIZE << THREAD_ORDER)
 #define CURRENT_MASK (~(THREAD_SIZE - 1))

diff --git a/arch/x86/include/asm/page_types.h b/arch/x86/include/asm/page_types.h
@@ -16,12 +16,6 @@
    (ie, 32-bit PAE). */
 #define PHYSICAL_PAGE_MASK	(((signed long)PAGE_MASK) & __PHYSICAL_MASK)
 
-/* PTE_PFN_MASK extracts the PFN from a (pte|pmd|pud|pgd)val_t */
-#define PTE_PFN_MASK		((pteval_t)PHYSICAL_PAGE_MASK)
-
-/* PTE_FLAGS_MASK extracts the flags from a (pte|pmd|pud|pgd)val_t */
-#define PTE_FLAGS_MASK		(~PTE_PFN_MASK)
-
 #define PMD_PAGE_SIZE		(_AC(1, UL) << PMD_SHIFT)
 #define PMD_PAGE_MASK		(~(PMD_PAGE_SIZE-1))
 

diff --git a/arch/x86/include/asm/pgtable-2level_types.h b/arch/x86/include/asm/pgtable-2level_types.h
@@ -17,6 +17,7 @@ typedef union {
 #endif	/* !__ASSEMBLY__ */
 
 #define SHARED_KERNEL_PMD	0
+#define PAGETABLE_LEVELS	2
 
 /*
  * traditional i386 two-level paging structure:
@@ -25,6 +26,7 @@ typedef union {
 #define PGDIR_SHIFT	22
 #define PTRS_PER_PGD	1024
 
+
 /*
  * the i386 is two-level, so we don't really have any
  * PMD directory physically.

diff --git a/arch/x86/include/asm/pgtable-3level_types.h b/arch/x86/include/asm/pgtable-3level_types.h
@@ -24,6 +24,8 @@ typedef union {
 #define SHARED_KERNEL_PMD	1
 #endif
 
+#define PAGETABLE_LEVELS	3
+
 /*
  * PGDIR_SHIFT determines what a top-level page table entry can map
  */

diff --git a/arch/x86/include/asm/pgtable_64_types.h b/arch/x86/include/asm/pgtable_64_types.h
@@ -18,6 +18,7 @@ typedef struct { pteval_t pte; } pte_t;
 #endif	/* !__ASSEMBLY__ */
 
 #define SHARED_KERNEL_PMD	0
+#define PAGETABLE_LEVELS	4
 
 /*
  * PGDIR_SHIFT determines what a top-level page table entry can map

diff --git a/arch/x86/include/asm/pgtable_types.h b/arch/x86/include/asm/pgtable_types.h
@@ -173,6 +173,12 @@
 
 #include <linux/types.h>
 
+/* PTE_PFN_MASK extracts the PFN from a (pte|pmd|pud|pgd)val_t */
+#define PTE_PFN_MASK		((pteval_t)PHYSICAL_PAGE_MASK)
+
+/* PTE_FLAGS_MASK extracts the flags from a (pte|pmd|pud|pgd)val_t */
+#define PTE_FLAGS_MASK		(~PTE_PFN_MASK)
+
 typedef struct pgprot { pgprotval_t pgprot; } pgprot_t;
 
 typedef struct { pgdval_t pgd; } pgd_t;