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authorCatalin Marinas <catalin.marinas@arm.com>2011-11-22 21:30:28 +0400
committerCatalin Marinas <catalin.marinas@arm.com>2011-12-08 14:30:37 +0400
commite0c0313bd720977a7ed01dc48f0762a3ddec607f (patch)
treecf5a5ee6593d4b2207550296a05bbdab0001b329 /arch/arm/include/asm/pgtable.h
parenta32618d28dbe6e9bf8ec508ccbc3561a7d7d32f0 (diff)
downloadlinux-e0c0313bd720977a7ed01dc48f0762a3ddec607f.tar.xz
ARM: LPAE: Move page table maintenance macros to pgtable-2level.h
The page table maintenance macros need to be duplicated between the classic and the LPAE MMU so this patch moves those that are not common to the pgtable-2level.h file. Signed-off-by: Catalin Marinas <catalin.marinas@arm.com>
Diffstat (limited to 'arch/arm/include/asm/pgtable.h')
-rw-r--r--arch/arm/include/asm/pgtable.h38
1 files changed, 0 insertions, 38 deletions
diff --git a/arch/arm/include/asm/pgtable.h b/arch/arm/include/asm/pgtable.h
index e14826e7efd9..977245b0875f 100644
--- a/arch/arm/include/asm/pgtable.h
+++ b/arch/arm/include/asm/pgtable.h
@@ -164,41 +164,8 @@ extern pgd_t swapper_pg_dir[PTRS_PER_PGD];
/* to find an entry in a kernel page-table-directory */
#define pgd_offset_k(addr) pgd_offset(&init_mm, addr)
-/*
- * The "pud_xxx()" functions here are trivial when the pmd is folded into
- * the pud: the pud entry is never bad, always exists, and can't be set or
- * cleared.
- */
-#define pud_none(pud) (0)
-#define pud_bad(pud) (0)
-#define pud_present(pud) (1)
-#define pud_clear(pudp) do { } while (0)
-#define set_pud(pud,pudp) do { } while (0)
-
-
-/* Find an entry in the second-level page table.. */
-static inline pmd_t *pmd_offset(pud_t *pud, unsigned long addr)
-{
- return (pmd_t *)pud;
-}
-
#define pmd_none(pmd) (!pmd_val(pmd))
#define pmd_present(pmd) (pmd_val(pmd))
-#define pmd_bad(pmd) (pmd_val(pmd) & 2)
-
-#define copy_pmd(pmdpd,pmdps) \
- do { \
- pmdpd[0] = pmdps[0]; \
- pmdpd[1] = pmdps[1]; \
- flush_pmd_entry(pmdpd); \
- } while (0)
-
-#define pmd_clear(pmdp) \
- do { \
- pmdp[0] = __pmd(0); \
- pmdp[1] = __pmd(0); \
- clean_pmd_entry(pmdp); \
- } while (0)
static inline pte_t *pmd_page_vaddr(pmd_t pmd)
{
@@ -207,10 +174,6 @@ static inline pte_t *pmd_page_vaddr(pmd_t pmd)
#define pmd_page(pmd) pfn_to_page(__phys_to_pfn(pmd_val(pmd) & PHYS_MASK))
-/* we don't need complex calculations here as the pmd is folded into the pgd */
-#define pmd_addr_end(addr,end) (end)
-
-
#ifndef CONFIG_HIGHPTE
#define __pte_map(pmd) pmd_page_vaddr(*(pmd))
#define __pte_unmap(pte) do { } while (0)
@@ -232,7 +195,6 @@ static inline pte_t *pmd_page_vaddr(pmd_t pmd)
#define pte_page(pte) pfn_to_page(pte_pfn(pte))
#define mk_pte(page,prot) pfn_pte(page_to_pfn(page), prot)
-#define set_pte_ext(ptep,pte,ext) cpu_set_pte_ext(ptep,pte,ext)
#define pte_clear(mm,addr,ptep) set_pte_ext(ptep, __pte(0), 0)
#if __LINUX_ARM_ARCH__ < 6