diff --git a/include/linux/mm.h b/include/linux/mm.h
index cec967e..6392649 100644
--- a/include/linux/mm.h
+++ b/include/linux/mm.h
@@ -1210,6 +1210,8 @@
 			struct vm_area_struct *vma);
 void unmap_mapping_range(struct address_space *mapping,
 		loff_t const holebegin, loff_t const holelen, int even_cows);
+int follow_pte(struct mm_struct *mm, unsigned long address, pte_t **ptepp,
+	       spinlock_t **ptlp);
 int follow_pfn(struct vm_area_struct *vma, unsigned long address,
 	unsigned long *pfn);
 int follow_phys(struct vm_area_struct *vma, unsigned long address,
diff --git a/mm/memory.c b/mm/memory.c
index 8b7f065..edd899d 100644
--- a/mm/memory.c
+++ b/mm/memory.c
@@ -3817,8 +3817,8 @@
 	return -EINVAL;
 }
 
-static inline int follow_pte(struct mm_struct *mm, unsigned long address,
-			     pte_t **ptepp, spinlock_t **ptlp)
+int follow_pte(struct mm_struct *mm, unsigned long address, pte_t **ptepp,
+	       spinlock_t **ptlp)
 {
 	int res;