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-rw-r--r--include/linux/pgtable.h28
1 files changed, 28 insertions, 0 deletions
diff --git a/include/linux/pgtable.h b/include/linux/pgtable.h
index f49abcfe5eda..1fba072b3dac 100644
--- a/include/linux/pgtable.h
+++ b/include/linux/pgtable.h
@@ -371,6 +371,20 @@ static inline bool arch_has_hw_pte_young(void)
}
#endif
+#ifndef arch_check_zapped_pte
+static inline void arch_check_zapped_pte(struct vm_area_struct *vma,
+ pte_t pte)
+{
+}
+#endif
+
+#ifndef arch_check_zapped_pmd
+static inline void arch_check_zapped_pmd(struct vm_area_struct *vma,
+ pmd_t pmd)
+{
+}
+#endif
+
#ifndef __HAVE_ARCH_PTEP_GET_AND_CLEAR
static inline pte_t ptep_get_and_clear(struct mm_struct *mm,
unsigned long address,
@@ -577,6 +591,20 @@ extern pud_t pudp_huge_clear_flush(struct vm_area_struct *vma,
pud_t *pudp);
#endif
+#ifndef pte_mkwrite
+static inline pte_t pte_mkwrite(pte_t pte, struct vm_area_struct *vma)
+{
+ return pte_mkwrite_novma(pte);
+}
+#endif
+
+#if defined(CONFIG_ARCH_WANT_PMD_MKWRITE) && !defined(pmd_mkwrite)
+static inline pmd_t pmd_mkwrite(pmd_t pmd, struct vm_area_struct *vma)
+{
+ return pmd_mkwrite_novma(pmd);
+}
+#endif
+
#ifndef __HAVE_ARCH_PTEP_SET_WRPROTECT
struct mm_struct;
static inline void ptep_set_wrprotect(struct mm_struct *mm, unsigned long address, pte_t *ptep)