oom_bfqq is just a fallback bfqq, so shouldn't be used with waker detection. Suggested-by: Jan Kara <jack@xxxxxxx> Signed-off-by: Khazhismel Kumykov <khazhy@xxxxxxxxxx> --- block/bfq-iosched.c | 4 +++- 1 file changed, 3 insertions(+), 1 deletion(-) diff --git a/block/bfq-iosched.c b/block/bfq-iosched.c index ca04ec868c40..267baf84870f 100644 --- a/block/bfq-iosched.c +++ b/block/bfq-iosched.c @@ -2135,7 +2135,9 @@ static void bfq_check_waker(struct bfq_data *bfqd, struct bfq_queue *bfqq, if (!bfqd->last_completed_rq_bfqq || bfqd->last_completed_rq_bfqq == bfqq || bfq_bfqq_has_short_ttime(bfqq) || - now_ns - bfqd->last_completion >= 4 * NSEC_PER_MSEC) + now_ns - bfqd->last_completion >= 4 * NSEC_PER_MSEC || + bfqd->last_completed_rq_bfqq == &bfqd->oom_bfqq || + bfqq == &bfqd->oom_bfqq) return; /* -- 2.38.1.431.g37b22c650d-goog
