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-rw-r--r--include/linux/sched.h29
1 files changed, 27 insertions, 2 deletions
diff --git a/include/linux/sched.h b/include/linux/sched.h
index f2f842d..6f7bba9 100644
--- a/include/linux/sched.h
+++ b/include/linux/sched.h
@@ -377,6 +377,8 @@ extern int sysctl_max_map_count;
#include <linux/aio.h>
+#ifdef CONFIG_MMU
+extern void arch_pick_mmap_layout(struct mm_struct *mm);
extern unsigned long
arch_get_unmapped_area(struct file *, unsigned long, unsigned long,
unsigned long, unsigned long);
@@ -386,6 +388,9 @@ arch_get_unmapped_area_topdown(struct file *filp, unsigned long addr,
unsigned long flags);
extern void arch_unmap_area(struct mm_struct *, unsigned long);
extern void arch_unmap_area_topdown(struct mm_struct *, unsigned long);
+#else
+static inline void arch_pick_mmap_layout(struct mm_struct *mm) {}
+#endif
#if USE_SPLIT_PTLOCKS
/*
@@ -2491,8 +2496,6 @@ static inline void set_task_cpu(struct task_struct *p, unsigned int cpu)
#endif /* CONFIG_SMP */
-extern void arch_pick_mmap_layout(struct mm_struct *mm);
-
#ifdef CONFIG_TRACING
extern void
__trace_special(void *__tr, void *__data,
@@ -2601,6 +2604,28 @@ 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
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