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authorJeremy Fitzhardinge <jeremy@goop.org>2008-01-30 12:32:57 (GMT)
committerIngo Molnar <mingo@elte.hu>2008-01-30 12:32:57 (GMT)
commit6fdc05d4794056e0b98901646c4b68c60a01d5eb (patch)
treea6cfb308becd6fe47c549084b29c3e9db3a07f68 /include/asm-x86/pgtable_64.h
parentc3bcfb57e1e64b9b2f8b2d90564826637e21c5ea (diff)
downloadlinux-fsl-qoriq-6fdc05d4794056e0b98901646c4b68c60a01d5eb.tar.xz
x86: unify pgtable accessors which use
Make users of supported_pte_mask common. This has the side-effect of introducing the variable for 32-bit non-PAE, but I think its a pretty small cost to simplify the code. Signed-off-by: Jeremy Fitzhardinge <jeremy@xensource.com> Signed-off-by: Ingo Molnar <mingo@elte.hu> Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
Diffstat (limited to 'include/asm-x86/pgtable_64.h')
-rw-r--r--include/asm-x86/pgtable_64.h18
1 files changed, 0 insertions, 18 deletions
diff --git a/include/asm-x86/pgtable_64.h b/include/asm-x86/pgtable_64.h
index 84f47f9..57e4ebe 100644
--- a/include/asm-x86/pgtable_64.h
+++ b/include/asm-x86/pgtable_64.h
@@ -17,7 +17,6 @@ extern pud_t level3_kernel_pgt[512];
extern pud_t level3_ident_pgt[512];
extern pmd_t level2_kernel_pgt[512];
extern pgd_t init_level4_pgt[];
-extern unsigned long __supported_pte_mask;
#define swapper_pg_dir init_level4_pgt
@@ -165,14 +164,6 @@ static inline unsigned long pmd_bad(pmd_t pmd)
#define pte_page(x) pfn_to_page(pte_pfn(x))
#define pte_pfn(x) ((pte_val(x) & __PHYSICAL_MASK) >> PAGE_SHIFT)
-static inline pte_t pfn_pte(unsigned long page_nr, pgprot_t pgprot)
-{
- pte_t pte;
- pte_val(pte) = (page_nr << PAGE_SHIFT);
- pte_val(pte) |= pgprot_val(pgprot);
- pte_val(pte) &= __supported_pte_mask;
- return pte;
-}
struct vm_area_struct;
static inline int ptep_test_and_clear_young(struct vm_area_struct *vma, unsigned long addr, pte_t *ptep)
@@ -239,15 +230,6 @@ static inline void ptep_set_wrprotect(struct mm_struct *mm, unsigned long addr,
/* page, protection -> pte */
#define mk_pte(page, pgprot) pfn_pte(page_to_pfn(page), (pgprot))
-/* Change flags of a PTE */
-static inline pte_t pte_modify(pte_t pte, pgprot_t newprot)
-{
- pte_val(pte) &= _PAGE_CHG_MASK;
- pte_val(pte) |= pgprot_val(newprot);
- pte_val(pte) &= __supported_pte_mask;
- return pte;
-}
-
#define pte_index(address) \
(((address) >> PAGE_SHIFT) & (PTRS_PER_PTE - 1))
#define pte_offset_kernel(dir, address) ((pte_t *) pmd_page_vaddr(*(dir)) + \