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authorJeremy Fitzhardinge <jeremy.fitzhardinge@citrix.com>2009-02-13 11:01:54 -0800
committerJeremy Fitzhardinge <jeremy.fitzhardinge@citrix.com>2009-02-13 11:35:01 -0800
commit9b3651cbc26cfcea8276ecaff66718ea087f2e91 (patch)
treead5653060f1a0ea1981537cfa01719892ac14341 /arch
parent0341c14da49e7b93d2998926f6ac89a3129e3fa1 (diff)
downloadop-kernel-dev-9b3651cbc26cfcea8276ecaff66718ea087f2e91.zip
op-kernel-dev-9b3651cbc26cfcea8276ecaff66718ea087f2e91.tar.gz
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>
Diffstat (limited to 'arch')
-rw-r--r--arch/x86/include/asm/page_32_types.h2
-rw-r--r--arch/x86/include/asm/page_64_types.h2
-rw-r--r--arch/x86/include/asm/page_types.h6
-rw-r--r--arch/x86/include/asm/pgtable-2level_types.h2
-rw-r--r--arch/x86/include/asm/pgtable-3level_types.h2
-rw-r--r--arch/x86/include/asm/pgtable_64_types.h1
-rw-r--r--arch/x86/include/asm/pgtable_types.h6
7 files changed, 11 insertions, 10 deletions
diff --git a/arch/x86/include/asm/page_32_types.h b/arch/x86/include/asm/page_32_types.h
index b5486aa..f1e4a79 100644
--- 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
index bc73af3..d38c91b 100644
--- 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
index 2c52ff7..2d625da 100644
--- 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
index 09ae67e..daacc23 100644
--- 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
index bcc8962..1bd5876 100644
--- 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
index 2f59135..fbf42b8 100644
--- 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
index 9dafe87..4d258ad 100644
--- 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;
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