tile: remove HUGE_VMAP dead code

[cascardo/linux.git] / arch / tile / include / asm / pgtable_64.h

diff --git a/arch/tile/include/asm/pgtable_64.h b/arch/tile/include/asm/pgtable_64.h
index 2492fa5..2c8a9cd 100644 (file)
--- a/arch/tile/include/asm/pgtable_64.h
+++ b/arch/tile/include/asm/pgtable_64.h
@@ -52,17 +52,24 @@
  * memory allocation code).  The vmalloc code puts in an internal
  * guard page between each allocation.
  */
-#define _VMALLOC_END   HUGE_VMAP_BASE
+#define _VMALLOC_END   MEM_SV_START
 #define VMALLOC_END    _VMALLOC_END
 #define VMALLOC_START  _VMALLOC_START
 
-#define HUGE_VMAP_END  (HUGE_VMAP_BASE + PGDIR_SIZE)
-
 #ifndef __ASSEMBLY__
 
 /* We have no pud since we are a three-level page table. */
 #include <asm-generic/pgtable-nopud.h>
 
+/*
+ * pmds are the same as pgds and ptes, so converting is a no-op.
+ */
+#define pmd_pte(pmd) (pmd)
+#define pmdp_ptep(pmdp) (pmdp)
+#define pte_pmd(pte) (pte)
+
+#define pud_pte(pud) ((pud).pgd)
+
 static inline int pud_none(pud_t pud)
 {
        return pud_val(pud) == 0;
@@ -73,6 +80,11 @@ static inline int pud_present(pud_t pud)
        return pud_val(pud) & _PAGE_PRESENT;
 }
 
+static inline int pud_huge_page(pud_t pud)
+{
+       return pud_val(pud) & _PAGE_HUGE_PAGE;
+}
+
 #define pmd_ERROR(e) \
        pr_err("%s:%d: bad pmd 0x%016llx.\n", __FILE__, __LINE__, pmd_val(e))
 
@@ -89,6 +101,9 @@ static inline int pud_bad(pud_t pud)
 /* Return the page-table frame number (ptfn) that a pud_t points at. */
 #define pud_ptfn(pud) hv_pte_get_ptfn((pud).pgd)
 
+/* Return the page frame number (pfn) that a pud_t points at. */
+#define pud_pfn(pud) pte_pfn(pud_pte(pud))
+
 /*
  * A given kernel pud_t maps to a kernel pmd_t table at a specific
  * virtual address.  Since kernel pmd_t tables can be aligned at
@@ -123,8 +138,7 @@ static inline unsigned long pgd_addr_normalize(unsigned long addr)
 /* We don't define any pgds for these addresses. */
 static inline int pgd_addr_invalid(unsigned long addr)
 {
-       return addr >= MEM_HV_START ||
-               (addr > MEM_LOW_END && addr < MEM_HIGH_START);
+       return addr >= KERNEL_HIGH_VADDR || addr != pgd_addr_normalize(addr);
 }
 
 /*
@@ -152,13 +166,6 @@ static inline pte_t ptep_get_and_clear(struct mm_struct *mm,
        return hv_pte(__insn_exch(&ptep->val, 0UL));
 }
 
-/*
- * pmds are the same as pgds and ptes, so converting is a no-op.
- */
-#define pmd_pte(pmd) (pmd)
-#define pmdp_ptep(pmdp) (pmdp)
-#define pte_pmd(pte) (pte)
-
 #endif /* __ASSEMBLY__ */
 
 #endif /* _ASM_TILE_PGTABLE_64_H */