From 9b3651cbc26cfcea8276ecaff66718ea087f2e91 Mon Sep 17 00:00:00 2001 From: Jeremy Fitzhardinge Date: Fri, 13 Feb 2009 11:01:54 -0800 Subject: [PATCH] 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 --- arch/x86/include/asm/page_32_types.h | 2 -- arch/x86/include/asm/page_64_types.h | 2 -- arch/x86/include/asm/page_types.h | 6 ------ arch/x86/include/asm/pgtable-2level_types.h | 2 ++ arch/x86/include/asm/pgtable-3level_types.h | 2 ++ arch/x86/include/asm/pgtable_64_types.h | 1 + arch/x86/include/asm/pgtable_types.h | 6 ++++++ 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 b5486aaf36ec..f1e4a79a6e41 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 bc73af3eda9c..d38c91b70248 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 2c52ff767584..2d625da6603c 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 09ae67efcebd..daacc23e3fb9 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 bcc89625ebe5..1bd5876c8649 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 2f59135c6f2a..fbf42b8e0383 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 9dafe87be2de..4d258ad76a0f 100644 --- a/arch/x86/include/asm/pgtable_types.h +++ b/arch/x86/include/asm/pgtable_types.h @@ -173,6 +173,12 @@ #include +/* 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; -- 2.20.1