1 files changed, 15 insertions, 0 deletions

diff --git a/arch/arm/include/asm/pgtable-3level.h b/arch/arm/include/asm/pgtable-3level.h
index 06e0bc0f8b00..a31ecdad4b59 100644
--- a/arch/arm/include/asm/pgtable-3level.h
+++ b/arch/arm/include/asm/pgtable-3level.h
@@ -213,10 +213,19 @@ static inline pmd_t *pmd_offset(pud_t *pud, unsigned long addr)
 #define pmd_isclear(pmd, val)   (!(pmd_val(pmd) & (val)))
 
 #define pmd_young(pmd)          (pmd_isset((pmd), PMD_SECT_AF))
+#define pte_special(pte)        (pte_isset((pte), L_PTE_SPECIAL))
+static inline pte_t pte_mkspecial(pte_t pte)
+{
+        pte_val(pte) |= L_PTE_SPECIAL;
+        return pte;
+}
+#define __HAVE_ARCH_PTE_SPECIAL
 
 #define __HAVE_ARCH_PMD_WRITE
 #define pmd_write(pmd)          (pmd_isclear((pmd), L_PMD_SECT_RDONLY))
 #define pmd_dirty(pmd)          (pmd_isset((pmd), L_PMD_SECT_DIRTY))
+#define pud_page(pud)           pmd_page(__pmd(pud_val(pud)))
+#define pud_write(pud)          pmd_write(__pmd(pud_val(pud)))
 
 #define pmd_hugewillfault(pmd)  (!pmd_young(pmd) || !pmd_write(pmd))
 #define pmd_thp_or_huge(pmd)    (pmd_huge(pmd) || pmd_trans_huge(pmd))
@@ -224,6 +233,12 @@ static inline pmd_t *pmd_offset(pud_t *pud, unsigned long addr)
 #ifdef CONFIG_TRANSPARENT_HUGEPAGE
 #define pmd_trans_huge(pmd)     (pmd_val(pmd) && !pmd_table(pmd))
 #define pmd_trans_splitting(pmd) (pmd_isset((pmd), L_PMD_SECT_SPLITTING))
+
+#ifdef CONFIG_HAVE_RCU_TABLE_FREE
+#define __HAVE_ARCH_PMDP_SPLITTING_FLUSH
+void pmdp_splitting_flush(struct vm_area_struct *vma, unsigned long address,
+                          pmd_t *pmdp);
+#endif
 #endif
 
 #define PMD_BIT_FUNC(fn,op) \