Messages in this thread Patch in this message | | | Date | Sat, 14 May 2022 15:52:28 +0800 | From | Zhaoyu Liu <> | Subject | [PATCH] mm/oom_kill: break evaluation when a task has been selected |
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oom points no longer need to be calculated if a task is oom_task_origin(), so return 1 to stop the oom_evaluate_task().
Signed-off-by: Zhaoyu Liu <zackary.liu.pro@gmail.com> --- mm/oom_kill.c | 4 ++-- 1 file changed, 2 insertions(+), 2 deletions(-)
diff --git a/mm/oom_kill.c b/mm/oom_kill.c index 3996301450e8..b407fba21d19 100644 --- a/mm/oom_kill.c +++ b/mm/oom_kill.c @@ -308,7 +308,7 @@ static enum oom_constraint constrained_alloc(struct oom_control *oc) static int oom_evaluate_task(struct task_struct *task, void *arg) { struct oom_control *oc = arg; - long points; + long points = 0; if (oom_unkillable_task(task)) goto next; @@ -349,7 +349,7 @@ static int oom_evaluate_task(struct task_struct *task, void *arg) oc->chosen = task; oc->chosen_points = points; next: - return 0; + return points == LONG_MAX; abort: if (oc->chosen) put_task_struct(oc->chosen); -- 2.17.1
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