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authorJeremy Fitzhardinge <jeremy@goop.org>2009-02-05 14:31:07 -0500
committerJeremy Fitzhardinge <jeremy@goop.org>2009-02-06 15:31:50 -0500
commit3fbc2444f465710cdf0c832461a6a14338437453 (patch)
tree9ab2b212b908b08a9fac435a974d259abc983f38
parent346309cff6127a38731cf102de3413a562700b84 (diff)
x86: unify pte_offset_kernel
Impact: cleanup Unify and demacro pte_offset_kernel. Signed-off-by: Jeremy Fitzhardinge <jeremy.fitzhardinge@citrix.com>
-rw-r--r--arch/x86/include/asm/pgtable.h5
-rw-r--r--arch/x86/include/asm/pgtable_32.h3
-rw-r--r--arch/x86/include/asm/pgtable_64.h3
3 files changed, 5 insertions, 6 deletions
diff --git a/arch/x86/include/asm/pgtable.h b/arch/x86/include/asm/pgtable.h
index 10a8c2e51789..c61b37af1f28 100644
--- a/arch/x86/include/asm/pgtable.h
+++ b/arch/x86/include/asm/pgtable.h
@@ -509,6 +509,11 @@ static inline unsigned pte_index(unsigned long address)
509 return (address >> PAGE_SHIFT) & (PTRS_PER_PTE - 1); 509 return (address >> PAGE_SHIFT) & (PTRS_PER_PTE - 1);
510} 510}
511 511
512static inline pte_t *pte_offset_kernel(pmd_t *pmd, unsigned long address)
513{
514 return (pte_t *)pmd_page_vaddr(*pmd) + pte_index(address);
515}
516
512#if PAGETABLE_LEVELS > 2 517#if PAGETABLE_LEVELS > 2
513static inline int pud_present(pud_t pud) 518static inline int pud_present(pud_t pud)
514{ 519{
diff --git a/arch/x86/include/asm/pgtable_32.h b/arch/x86/include/asm/pgtable_32.h
index 00d298e14a8f..133fc4e4529a 100644
--- a/arch/x86/include/asm/pgtable_32.h
+++ b/arch/x86/include/asm/pgtable_32.h
@@ -97,9 +97,6 @@ extern unsigned long pg0[];
97 97
98static inline int pud_large(pud_t pud) { return 0; } 98static inline int pud_large(pud_t pud) { return 0; }
99 99
100#define pte_offset_kernel(dir, address) \
101 ((pte_t *)pmd_page_vaddr(*(dir)) + pte_index((address)))
102
103#if defined(CONFIG_HIGHPTE) 100#if defined(CONFIG_HIGHPTE)
104#define pte_offset_map(dir, address) \ 101#define pte_offset_map(dir, address) \
105 ((pte_t *)kmap_atomic_pte(pmd_page(*(dir)), KM_PTE0) + \ 102 ((pte_t *)kmap_atomic_pte(pmd_page(*(dir)), KM_PTE0) + \
diff --git a/arch/x86/include/asm/pgtable_64.h b/arch/x86/include/asm/pgtable_64.h
index e7321bc8aa81..a8bfb75c76ab 100644
--- a/arch/x86/include/asm/pgtable_64.h
+++ b/arch/x86/include/asm/pgtable_64.h
@@ -198,9 +198,6 @@ static inline int pud_large(pud_t pte)
198 198
199/* PTE - Level 1 access. */ 199/* PTE - Level 1 access. */
200 200
201#define pte_offset_kernel(dir, address) ((pte_t *) pmd_page_vaddr(*(dir)) + \
202 pte_index((address)))
203
204/* x86-64 always has all page tables mapped. */ 201/* x86-64 always has all page tables mapped. */
205#define pte_offset_map(dir, address) pte_offset_kernel((dir), (address)) 202#define pte_offset_map(dir, address) pte_offset_kernel((dir), (address))
206#define pte_offset_map_nested(dir, address) pte_offset_kernel((dir), (address)) 203#define pte_offset_map_nested(dir, address) pte_offset_kernel((dir), (address))