diff --git a/include/linux/hugetlb.h b/include/linux/hugetlb.h
index e46f6b49eb38..1c6f35ba1604 100644
--- a/include/linux/hugetlb.h
+++ b/include/linux/hugetlb.h
@@ -880,10 +880,7 @@ static inline bool hugepage_migration_supported(struct hstate *h)
 	return arch_hugetlb_migration_supported(h);
 }
 
-static inline bool __vma_private_lock(struct vm_area_struct *vma)
-{
-	return (!(vma->vm_flags & VM_MAYSHARE)) && vma->vm_private_data;
-}
+bool __vma_private_lock(struct vm_area_struct *vma);
 
 /*
  * Movability check is different as compared to migration check.
diff --git a/mm/hugetlb.c b/mm/hugetlb.c
index aa4a68dfb3b9..37288a7f0fa6 100644
--- a/mm/hugetlb.c
+++ b/mm/hugetlb.c
@@ -1189,6 +1189,13 @@ static int is_vma_resv_set(struct vm_area_struct *vma, unsigned long flag)
 	return (get_vma_private_data(vma) & flag) != 0;
 }
 
+bool __vma_private_lock(struct vm_area_struct *vma)
+{
+	return !(vma->vm_flags & VM_MAYSHARE) &&
+		get_vma_private_data(vma) & ~HPAGE_RESV_MASK &&
+		is_vma_resv_set(vma, HPAGE_RESV_OWNER);
+}
+
 void hugetlb_dup_vma_private(struct vm_area_struct *vma)
 {
 	VM_BUG_ON_VMA(!is_vm_hugetlb_page(vma), vma);