diff options
| author | Jeremy Fitzhardinge | 2009-02-05 20:31:06 +0100 |
|---|---|---|
| committer | Jeremy Fitzhardinge | 2009-02-06 21:31:50 +0100 |
| commit | 346309cff6127a38731cf102de3413a562700b84 (patch) | |
| tree | 47e2c646b21d3637640b4d93b4ae6485aa4f9fa2 /arch/x86 | |
| parent | x86: unify pmd_pfn (diff) | |
| download | kernel-qcow2-linux-346309cff6127a38731cf102de3413a562700b84.tar.gz kernel-qcow2-linux-346309cff6127a38731cf102de3413a562700b84.tar.xz kernel-qcow2-linux-346309cff6127a38731cf102de3413a562700b84.zip | |
x86: unify pte_index
Impact: cleanup
Unify and demacro pte_index.
Signed-off-by: Jeremy Fitzhardinge <jeremy.fitzhardinge@citrix.com>
Diffstat (limited to 'arch/x86')
| -rw-r--r-- | arch/x86/include/asm/pgtable.h | 11 | ||||
| -rw-r--r-- | arch/x86/include/asm/pgtable_32.h | 8 | ||||
| -rw-r--r-- | arch/x86/include/asm/pgtable_64.h | 1 |
3 files changed, 11 insertions, 9 deletions
diff --git a/arch/x86/include/asm/pgtable.h b/arch/x86/include/asm/pgtable.h index 49b5cff78c28..10a8c2e51789 100644 --- a/arch/x86/include/asm/pgtable.h +++ b/arch/x86/include/asm/pgtable.h @@ -498,6 +498,17 @@ static inline unsigned pmd_index(unsigned long address) */ #define mk_pte(page, pgprot) pfn_pte(page_to_pfn(page), (pgprot)) +/* + * the pte page can be thought of an array like this: pte_t[PTRS_PER_PTE] + * + * this function returns the index of the entry in the pte page which would + * control the given virtual address + */ +static inline unsigned pte_index(unsigned long address) +{ + return (address >> PAGE_SHIFT) & (PTRS_PER_PTE - 1); +} + #if PAGETABLE_LEVELS > 2 static inline int pud_present(pud_t pud) { diff --git a/arch/x86/include/asm/pgtable_32.h b/arch/x86/include/asm/pgtable_32.h index 6335be843c16..00d298e14a8f 100644 --- a/arch/x86/include/asm/pgtable_32.h +++ b/arch/x86/include/asm/pgtable_32.h @@ -97,14 +97,6 @@ extern unsigned long pg0[]; static inline int pud_large(pud_t pud) { return 0; } -/* - * the pte page can be thought of an array like this: pte_t[PTRS_PER_PTE] - * - * this macro returns the index of the entry in the pte page which would - * control the given virtual address - */ -#define pte_index(address) \ - (((address) >> PAGE_SHIFT) & (PTRS_PER_PTE - 1)) #define pte_offset_kernel(dir, address) \ ((pte_t *)pmd_page_vaddr(*(dir)) + pte_index((address))) diff --git a/arch/x86/include/asm/pgtable_64.h b/arch/x86/include/asm/pgtable_64.h index adce05628a01..e7321bc8aa81 100644 --- a/arch/x86/include/asm/pgtable_64.h +++ b/arch/x86/include/asm/pgtable_64.h @@ -198,7 +198,6 @@ static inline int pud_large(pud_t pte) /* PTE - Level 1 access. */ -#define pte_index(address) (((address) >> PAGE_SHIFT) & (PTRS_PER_PTE - 1)) #define pte_offset_kernel(dir, address) ((pte_t *) pmd_page_vaddr(*(dir)) + \ pte_index((address))) |