powerpc/mm: Move page table index and and vaddr to pgtable.h

Now that the page table size is a variable, we can move these to
generic pgtable.h.

Signed-off-by: Aneesh Kumar K.V <aneesh.kumar@linux.vnet.ibm.com>
Signed-off-by: Michael Ellerman <mpe@ellerman.id.au>

diff --git a/arch/powerpc/include/asm/book3s/64/hash.h b/arch/powerpc/include/asm/book3s/64/hash.h
index 03044af..b601e05 100644 (file)
--- a/arch/powerpc/include/asm/book3s/64/hash.h
+++ b/arch/powerpc/include/asm/book3s/64/hash.h
@@ -90,18 +90,8 @@
 
 #ifndef __ASSEMBLY__
 #define        pmd_bad(pmd)            (pmd_val(pmd) & PMD_BAD_BITS)
-#define pmd_page_vaddr(pmd)    __va(pmd_val(pmd) & ~PMD_MASKED_BITS)
 
 #define        pud_bad(pud)            (pud_val(pud) & PUD_BAD_BITS)
-#define pud_page_vaddr(pud)    __va(pud_val(pud) & ~PUD_MASKED_BITS)
-
-/* Pointers in the page table tree are physical addresses */
-#define __pgtable_ptr_val(ptr) __pa(ptr)
-
-#define pgd_index(address) (((address) >> (PGDIR_SHIFT)) & (PTRS_PER_PGD - 1))
-#define pud_index(address) (((address) >> (PUD_SHIFT)) & (PTRS_PER_PUD - 1))
-#define pmd_index(address) (((address) >> (PMD_SHIFT)) & (PTRS_PER_PMD - 1))
-#define pte_index(address) (((address) >> (PAGE_SHIFT)) & (PTRS_PER_PTE - 1))
 
 extern void hpte_need_flush(struct mm_struct *mm, unsigned long addr,
                            pte_t *ptep, unsigned long pte, int huge);
@@ -174,12 +164,6 @@ static inline int pte_same(pte_t pte_a, pte_t pte_b)
        return (((pte_raw(pte_a) ^ pte_raw(pte_b)) & ~cpu_to_be64(_PAGE_HPTEFLAGS)) == 0);
 }
 
-static inline unsigned long pgd_page_vaddr(pgd_t pgd)
-{
-       return (unsigned long)__va(pgd_val(pgd) & ~PGD_MASKED_BITS);
-}
-
-
 /* Generic accessors to PTE bits */
 static inline int pte_none(pte_t pte)          { return (pte_val(pte) & ~H_PTE_NONE_MASK) == 0; }
 

diff --git a/arch/powerpc/include/asm/book3s/64/pgtable.h b/arch/powerpc/include/asm/book3s/64/pgtable.h
index f30f404..3e64a7b 100644 (file)
--- a/arch/powerpc/include/asm/book3s/64/pgtable.h
+++ b/arch/powerpc/include/asm/book3s/64/pgtable.h
@@ -534,6 +534,18 @@ static inline pgd_t pte_pgd(pte_t pte)
 
 extern struct page *pgd_page(pgd_t pgd);
 
+/* Pointers in the page table tree are physical addresses */
+#define __pgtable_ptr_val(ptr) __pa(ptr)
+
+#define pmd_page_vaddr(pmd)    __va(pmd_val(pmd) & ~PMD_MASKED_BITS)
+#define pud_page_vaddr(pud)    __va(pud_val(pud) & ~PUD_MASKED_BITS)
+#define pgd_page_vaddr(pgd)    __va(pgd_val(pgd) & ~PGD_MASKED_BITS)
+
+#define pgd_index(address) (((address) >> (PGDIR_SHIFT)) & (PTRS_PER_PGD - 1))
+#define pud_index(address) (((address) >> (PUD_SHIFT)) & (PTRS_PER_PUD - 1))
+#define pmd_index(address) (((address) >> (PMD_SHIFT)) & (PTRS_PER_PMD - 1))
+#define pte_index(address) (((address) >> (PAGE_SHIFT)) & (PTRS_PER_PTE - 1))
+
 /*
  * Find an entry in a page-table-directory.  We combine the address region
  * (the high order N bits) and the pgd portion of the address.