diff --git a/include/linux/proc_fs.h b/include/linux/proc_fs.h
index 4c7271f..17e7578 100644
--- a/include/linux/proc_fs.h
+++ b/include/linux/proc_fs.h
@@ -246,7 +246,7 @@
 #endif
 
 struct proc_inode {
-	struct task_ref *tref;
+	struct pid *pid;
 	int fd;
 	union {
 		int (*proc_get_link)(struct inode *, struct dentry **, struct vfsmount **);
@@ -267,7 +267,7 @@
 }
 
 struct proc_maps_private {
-	struct task_ref *tref;
+	struct pid *pid;
 	struct task_struct *task;
 	struct vm_area_struct *tail_vma;
 };