#ifndef __INCLUDE_LINUX_OOM_H
  #define __INCLUDE_LINUX_OOM_H

  /*

   * /proc/<pid>/oom_adj is deprecated, see
   * Documentation/feature-removal-schedule.txt.
   *

   * /proc/<pid>/oom_adj set to -17 protects from the oom-killer
   */

  #define OOM_DISABLE (-17)
  /* inclusive */
  #define OOM_ADJUST_MIN (-16)
  #define OOM_ADJUST_MAX 15

  /*
   * /proc/<pid>/oom_score_adj set to OOM_SCORE_ADJ_MIN disables oom killing for
   * pid.
   */
  #define OOM_SCORE_ADJ_MIN	(-1000)
  #define OOM_SCORE_ADJ_MAX	1000

  #ifdef __KERNEL__

  #include <linux/sched.h>

  #include <linux/types.h>

  #include <linux/nodemask.h>

  
  struct zonelist;
  struct notifier_block;

  struct mem_cgroup;
  struct task_struct;

  /*
   * Types of limitations to the nodes from which allocations may occur
   */
  enum oom_constraint {
  	CONSTRAINT_NONE,
  	CONSTRAINT_CPUSET,
  	CONSTRAINT_MEMORY_POLICY,

  	CONSTRAINT_MEMCG,

  };

  extern void compare_swap_oom_score_adj(int old_val, int new_val);

  extern int test_set_oom_score_adj(int new_val);

  extern unsigned int oom_badness(struct task_struct *p, struct mem_cgroup *memcg,

  			const nodemask_t *nodemask, unsigned long totalpages);

  extern int try_set_zonelist_oom(struct zonelist *zonelist, gfp_t gfp_flags);

  extern void clear_zonelist_oom(struct zonelist *zonelist, gfp_t gfp_flags);

  extern void out_of_memory(struct zonelist *zonelist, gfp_t gfp_mask,
  		int order, nodemask_t *mask);

  extern int register_oom_notifier(struct notifier_block *nb);
  extern int unregister_oom_notifier(struct notifier_block *nb);

  extern bool oom_killer_disabled;
  
  static inline void oom_killer_disable(void)
  {
  	oom_killer_disabled = true;
  }
  
  static inline void oom_killer_enable(void)
  {
  	oom_killer_disabled = false;
  }

  extern struct task_struct *find_lock_task_mm(struct task_struct *p);

  /* sysctls */
  extern int sysctl_oom_dump_tasks;
  extern int sysctl_oom_kill_allocating_task;
  extern int sysctl_panic_on_oom;

  #endif /* __KERNEL__*/
  #endif /* _INCLUDE_LINUX_OOM_H */