/* Used to determine mempolicy */
nodemask_t *nodemask;
+ /* Memory cgroup in which oom is invoked, or NULL for global oom */
+ struct mem_cgroup *memcg;
+
/* Used to determine cpuset and node locality requirement */
const gfp_t gfp_mask;
extern void mark_oom_victim(struct task_struct *tsk);
#ifdef CONFIG_MMU
-extern void try_oom_reaper(struct task_struct *tsk);
+extern void wake_oom_reaper(struct task_struct *tsk);
#else
-static inline void try_oom_reaper(struct task_struct *tsk)
+static inline void wake_oom_reaper(struct task_struct *tsk)
{
}
#endif
extern void oom_kill_process(struct oom_control *oc, struct task_struct *p,
unsigned int points, unsigned long totalpages,
- struct mem_cgroup *memcg, const char *message);
+ const char *message);
extern void check_panic_on_oom(struct oom_control *oc,
- enum oom_constraint constraint,
- struct mem_cgroup *memcg);
+ enum oom_constraint constraint);
extern enum oom_scan_t oom_scan_process_thread(struct oom_control *oc,
- struct task_struct *task, unsigned long totalpages);
+ struct task_struct *task);
extern bool out_of_memory(struct oom_control *oc);
extern struct task_struct *find_lock_task_mm(struct task_struct *p);
-static inline bool task_will_free_mem(struct task_struct *task)
-{
- struct signal_struct *sig = task->signal;
-
- /*
- * A coredumping process may sleep for an extended period in exit_mm(),
- * so the oom killer cannot assume that the process will promptly exit
- * and release memory.
- */
- if (sig->flags & SIGNAL_GROUP_COREDUMP)
- return false;
-
- if (!(task->flags & PF_EXITING))
- return false;
-
- /* Make sure that the whole thread group is going down */
- if (!thread_group_empty(task) && !(sig->flags & SIGNAL_GROUP_EXIT))
- return false;
-
- return true;
-}
+bool task_will_free_mem(struct task_struct *task);
/* sysctls */
extern int sysctl_oom_dump_tasks;