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-rw-r--r--include/linux/oom.h21
1 files changed, 21 insertions, 0 deletions
diff --git a/include/linux/oom.h b/include/linux/oom.h
index e4c29bc72e70..49a3031fda50 100644
--- a/include/linux/oom.h
+++ b/include/linux/oom.h
@@ -40,15 +40,36 @@ enum oom_constraint {
CONSTRAINT_MEMCG,
};
+enum oom_scan_t {
+ OOM_SCAN_OK, /* scan thread and find its badness */
+ OOM_SCAN_CONTINUE, /* do not consider thread for oom kill */
+ OOM_SCAN_ABORT, /* abort the iteration and return */
+ OOM_SCAN_SELECT, /* always select this thread first */
+};
+
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 long oom_badness(struct task_struct *p,
struct mem_cgroup *memcg, const nodemask_t *nodemask,
unsigned long totalpages);
+extern void oom_kill_process(struct task_struct *p, gfp_t gfp_mask, int order,
+ unsigned int points, unsigned long totalpages,
+ struct mem_cgroup *memcg, nodemask_t *nodemask,
+ const char *message);
+
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 check_panic_on_oom(enum oom_constraint constraint, gfp_t gfp_mask,
+ int order, const nodemask_t *nodemask);
+
+extern enum oom_scan_t oom_scan_process_thread(struct task_struct *task,
+ unsigned long totalpages, const nodemask_t *nodemask,
+ bool force_kill);
+extern void mem_cgroup_out_of_memory(struct mem_cgroup *memcg, gfp_t gfp_mask,
+ int order);
+
extern void out_of_memory(struct zonelist *zonelist, gfp_t gfp_mask,
int order, nodemask_t *mask, bool force_kill);
extern int register_oom_notifier(struct notifier_block *nb);