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Diffstat (limited to 'mm')
-rw-r--r--mm/memcontrol.c2
-rw-r--r--mm/oom_kill.c5
-rw-r--r--mm/vmstat.c1
3 files changed, 8 insertions, 0 deletions
diff --git a/mm/memcontrol.c b/mm/memcontrol.c
index 3e2f8cf85b4c..4f686fc1c5fa 100644
--- a/mm/memcontrol.c
+++ b/mm/memcontrol.c
@@ -3573,6 +3573,7 @@ static int mem_cgroup_oom_control_read(struct seq_file *sf, void *v)
seq_printf(sf, "oom_kill_disable %d\n", memcg->oom_kill_disable);
seq_printf(sf, "under_oom %d\n", (bool)memcg->under_oom);
+ seq_printf(sf, "oom_kill %lu\n", memcg_sum_events(memcg, OOM_KILL));
return 0;
}
@@ -5164,6 +5165,7 @@ static int memory_events_show(struct seq_file *m, void *v)
seq_printf(m, "high %lu\n", memcg_sum_events(memcg, MEMCG_HIGH));
seq_printf(m, "max %lu\n", memcg_sum_events(memcg, MEMCG_MAX));
seq_printf(m, "oom %lu\n", memcg_sum_events(memcg, MEMCG_OOM));
+ seq_printf(m, "oom_kill %lu\n", memcg_sum_events(memcg, OOM_KILL));
return 0;
}
diff --git a/mm/oom_kill.c b/mm/oom_kill.c
index 04c9143a8625..0e2c925e7826 100644
--- a/mm/oom_kill.c
+++ b/mm/oom_kill.c
@@ -876,6 +876,11 @@ static void oom_kill_process(struct oom_control *oc, const char *message)
/* Get a reference to safely compare mm after task_unlock(victim) */
mm = victim->mm;
mmgrab(mm);
+
+ /* Raise event before sending signal: task reaper must see this */
+ count_vm_event(OOM_KILL);
+ count_memcg_event_mm(mm, OOM_KILL);
+
/*
* We should send SIGKILL before setting TIF_MEMDIE in order to prevent
* the OOM victim from depleting the memory reserves from the user
diff --git a/mm/vmstat.c b/mm/vmstat.c
index 6dae6b240b21..46281825c710 100644
--- a/mm/vmstat.c
+++ b/mm/vmstat.c
@@ -1018,6 +1018,7 @@ const char * const vmstat_text[] = {
"drop_pagecache",
"drop_slab",
+ "oom_kill",
#ifdef CONFIG_NUMA_BALANCING
"numa_pte_updates",