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-rw-r--r--include/linux/mm.h12
1 files changed, 12 insertions, 0 deletions
diff --git a/include/linux/mm.h b/include/linux/mm.h
index 4db1522d7c48..5a323422d783 100644
--- a/include/linux/mm.h
+++ b/include/linux/mm.h
@@ -1927,6 +1927,18 @@ static inline void sync_mm_rss(struct mm_struct *mm)
}
#endif
+#ifndef CONFIG_ARCH_HAS_PTE_SPECIAL
+static inline int pte_special(pte_t pte)
+{
+ return 0;
+}
+
+static inline pte_t pte_mkspecial(pte_t pte)
+{
+ return pte;
+}
+#endif
+
#ifndef CONFIG_ARCH_HAS_PTE_DEVMAP
static inline int pte_devmap(pte_t pte)
{