include/linux/oom.h

   1 #ifndef __INCLUDE_LINUX_OOM_H
   2 #define __INCLUDE_LINUX_OOM_H
   3
   4 #include <linux/sched.h>
   5
   6 /* /proc/<pid>/oom_adj set to -17 protects from the oom-killer */
   7 #define OOM_DISABLE (-17)
   8 /* inclusive */
   9 #define OOM_ADJUST_MIN (-16)
  10 #define OOM_ADJUST_MAX 15
  11
  12 #ifdef __KERNEL__
  13
  14 /*
  15  * Types of limitations to the nodes from which allocations may occur
  16  */
  17 enum oom_constraint {
  18         CONSTRAINT_NONE,
  19         CONSTRAINT_CPUSET,
  20         CONSTRAINT_MEMORY_POLICY,
  21 };
  22
  23 extern void out_of_memory(struct zonelist *zonelist, gfp_t gfp_mask, int order);
  24 extern int register_oom_notifier(struct notifier_block *nb);
  25 extern int unregister_oom_notifier(struct notifier_block *nb);
  26
  27 #endif /* __KERNEL__*/
  28 #endif /* _INCLUDE_LINUX_OOM_H */