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| author | David Rientjes | 2015-09-09 00:00:47 +0200 |
|---|---|---|
| committer | Linus Torvalds | 2015-09-09 00:35:28 +0200 |
| commit | 75e8f8b24cb0dc4951267d31f0a49e5ce2f345c4 (patch) | |
| tree | 4d5d57fa391ad01803a7174a146e0eb5e831fcfc /mm/oom_kill.c | |
| parent | mm, oom: add description of struct oom_control (diff) | |
| download | kernel-qcow2-linux-75e8f8b24cb0dc4951267d31f0a49e5ce2f345c4.tar.gz kernel-qcow2-linux-75e8f8b24cb0dc4951267d31f0a49e5ce2f345c4.tar.xz kernel-qcow2-linux-75e8f8b24cb0dc4951267d31f0a49e5ce2f345c4.zip | |
mm, oom: remove unnecessary variable
The "killed" variable in out_of_memory() can be removed since the call to
oom_kill_process() where we should block to allow the process time to
exit is obvious.
Signed-off-by: David Rientjes <rientjes@google.com>
Acked-by: Michal Hocko <mhocko@suse.com>
Cc: Sergey Senozhatsky <sergey.senozhatsky.work@gmail.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
Diffstat (limited to 'mm/oom_kill.c')
| -rw-r--r-- | mm/oom_kill.c | 21 |
1 files changed, 8 insertions, 13 deletions
diff --git a/mm/oom_kill.c b/mm/oom_kill.c index 91dd59f63910..1ecc0bcaecc5 100644 --- a/mm/oom_kill.c +++ b/mm/oom_kill.c @@ -645,7 +645,6 @@ bool out_of_memory(struct oom_control *oc) unsigned long freed = 0; unsigned int uninitialized_var(points); enum oom_constraint constraint = CONSTRAINT_NONE; - int killed = 0; if (oom_killer_disabled) return false; @@ -653,7 +652,7 @@ bool out_of_memory(struct oom_control *oc) blocking_notifier_call_chain(&oom_notify_list, 0, &freed); if (freed > 0) /* Got some memory back in the last second. */ - goto out; + return true; /* * If current has a pending SIGKILL or is exiting, then automatically @@ -666,7 +665,7 @@ bool out_of_memory(struct oom_control *oc) if (current->mm && (fatal_signal_pending(current) || task_will_free_mem(current))) { mark_oom_victim(current); - goto out; + return true; } /* @@ -684,7 +683,7 @@ bool out_of_memory(struct oom_control *oc) get_task_struct(current); oom_kill_process(oc, current, 0, totalpages, NULL, "Out of memory (oom_kill_allocating_task)"); - goto out; + return true; } p = select_bad_process(oc, &points, totalpages); @@ -696,16 +695,12 @@ bool out_of_memory(struct oom_control *oc) if (p && p != (void *)-1UL) { oom_kill_process(oc, p, points, totalpages, NULL, "Out of memory"); - killed = 1; - } -out: - /* - * Give the killed threads a good chance of exiting before trying to - * allocate memory again. - */ - if (killed) + /* + * Give the killed process a good chance to exit before trying + * to allocate memory again. + */ schedule_timeout_killable(1); - + } return true; } |