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Diffstat (limited to 'arch/powerpc/include/asm/book3s/64/hash-4k.h')
-rw-r--r--arch/powerpc/include/asm/book3s/64/hash-4k.h36
1 files changed, 3 insertions, 33 deletions
diff --git a/arch/powerpc/include/asm/book3s/64/hash-4k.h b/arch/powerpc/include/asm/book3s/64/hash-4k.h
index ea0414d6659e..5f08a0832238 100644
--- a/arch/powerpc/include/asm/book3s/64/hash-4k.h
+++ b/arch/powerpc/include/asm/book3s/64/hash-4k.h
@@ -52,44 +52,14 @@
_PAGE_F_SECOND | _PAGE_F_GIX)
/* shift to put page number into pte */
-#define PTE_RPN_SHIFT (18)
+#define PTE_RPN_SHIFT (12)
+#define PTE_RPN_SIZE (45) /* gives 57-bit real addresses */
#define _PAGE_4K_PFN 0
#ifndef __ASSEMBLY__
/*
- * 4-level page tables related bits
+ * On all 4K setups, remap_4k_pfn() equates to remap_pfn_range()
*/
-
-#define pgd_none(pgd) (!pgd_val(pgd))
-#define pgd_bad(pgd) (pgd_val(pgd) == 0)
-#define pgd_present(pgd) (pgd_val(pgd) != 0)
-#define pgd_page_vaddr(pgd) (pgd_val(pgd) & ~PGD_MASKED_BITS)
-
-static inline void pgd_clear(pgd_t *pgdp)
-{
- *pgdp = __pgd(0);
-}
-
-static inline pte_t pgd_pte(pgd_t pgd)
-{
- return __pte(pgd_val(pgd));
-}
-
-static inline pgd_t pte_pgd(pte_t pte)
-{
- return __pgd(pte_val(pte));
-}
-extern struct page *pgd_page(pgd_t pgd);
-
-#define pud_offset(pgdp, addr) \
- (((pud_t *) pgd_page_vaddr(*(pgdp))) + \
- (((addr) >> PUD_SHIFT) & (PTRS_PER_PUD - 1)))
-
-#define pud_ERROR(e) \
- pr_err("%s:%d: bad pud %08lx.\n", __FILE__, __LINE__, pud_val(e))
-
-/*
- * On all 4K setups, remap_4k_pfn() equates to remap_pfn_range() */
#define remap_4k_pfn(vma, addr, pfn, prot) \
remap_pfn_range((vma), (addr), (pfn), PAGE_SIZE, (prot))