--- zzzz-none-000/linux-2.6.32.61/fs/proc/internal.h	2013-06-10 09:43:48.000000000 +0000
+++ ar10-7272-687/linux-2.6.32.61/fs/proc/internal.h	2011-04-01 14:31:15.000000000 +0000
@@ -51,6 +51,8 @@
 				struct pid *pid, struct task_struct *task);
 extern int proc_pid_statm(struct seq_file *m, struct pid_namespace *ns,
 				struct pid *pid, struct task_struct *task);
+extern int proc_pgfaults(struct seq_file *m, struct pid_namespace *ns,
+				struct pid *pid, struct task_struct *task);
 extern loff_t mem_lseek(struct file *file, loff_t offset, int orig);
 
 extern const struct file_operations proc_maps_operations;