resource: add helpers for fetching rlimits

[safe/jmp/linux-2.6] / include / linux / sched.h

diff --git a/include/linux/sched.h b/include/linux/sched.h
index f2f842d..8d4991b 100644 (file)
--- a/include/linux/sched.h
+++ b/include/linux/sched.h
@@ -2601,6 +2601,28 @@ static inline void mm_init_owner(struct mm_struct *mm, struct task_struct *p)
 }
 #endif /* CONFIG_MM_OWNER */
 
+static inline unsigned long task_rlimit(const struct task_struct *tsk,
+               unsigned int limit)
+{
+       return ACCESS_ONCE(tsk->signal->rlim[limit].rlim_cur);
+}
+
+static inline unsigned long task_rlimit_max(const struct task_struct *tsk,
+               unsigned int limit)
+{
+       return ACCESS_ONCE(tsk->signal->rlim[limit].rlim_max);
+}
+
+static inline unsigned long rlimit(unsigned int limit)
+{
+       return task_rlimit(current, limit);
+}
+
+static inline unsigned long rlimit_max(unsigned int limit)
+{
+       return task_rlimit_max(current, limit);
+}
+
 #endif /* __KERNEL__ */
 
 #endif