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Signed-off-by: Byungchul Park --- include/linux/swait.h | 3 +++ 1 file changed, 3 insertions(+) diff --git a/include/linux/swait.h b/include/linux/swait.h index 6a8c22b..0284821 100644 --- a/include/linux/swait.h +++ b/include/linux/swait.h @@ -6,6 +6,7 @@ #include #include #include +#include #include /* @@ -161,6 +162,7 @@ static inline bool swq_has_sleeper(struct swait_queue_head *wq) struct swait_queue __wait; \ long __ret = ret; \ \ + sdt_might_sleep_start(NULL); \ INIT_LIST_HEAD(&__wait.task_list); \ for (;;) { \ long __int = prepare_to_swait_event(&wq, &__wait, state);\ @@ -176,6 +178,7 @@ static inline bool swq_has_sleeper(struct swait_queue_head *wq) cmd; \ } \ finish_swait(&wq, &__wait); \ + sdt_might_sleep_end(); \ __out: __ret; \ }) -- 1.9.1