#include <linux/linkage.h>
#include <linux/compat.h>
+#include <linux/nsproxy.h>
#include <linux/futex.h>
#include <asm/uaccess.h>
ret = -ESRCH;
read_lock(&tasklist_lock);
- p = find_task_by_pid(pid);
+ p = find_task_by_vpid(pid);
if (!p)
goto err_unlock;
ret = -EPERM;