diff --git a/include/linux/proc_fs.h b/include/linux/proc_fs.h
index 379eaed..3c287e3 100644
--- a/include/linux/proc_fs.h
+++ b/include/linux/proc_fs.h
@@ -262,12 +262,18 @@ struct ctl_table_header;
 struct ctl_table;
 
 struct proc_inode {
-	struct pid *pid;
-	int fd;
-	union proc_op op;
+	union {
+		struct {
+			int fd;
+			struct pid *pid;
+		};
+		struct {
+			struct ctl_table_header *sysctl;
+			struct ctl_table *sysctl_entry;
+		};
+	};
 	struct proc_dir_entry *pde;
-	struct ctl_table_header *sysctl;
-	struct ctl_table *sysctl_entry;
+	union proc_op op;
 	struct inode vfs_inode;
 };