See Documentation/timers/timers-howto.rst, msleep() is not for (1ms - 20ms),use usleep_range() instead.
Signed-off-by: Yejune Deng <yejune.d...@gmail.com> --- init/do_mounts.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/init/do_mounts.c b/init/do_mounts.c index a78e44e..e007b47 100644 --- a/init/do_mounts.c +++ b/init/do_mounts.c @@ -606,7 +606,7 @@ void __init prepare_namespace(void) saved_root_name); while (driver_probe_done() != 0 || (ROOT_DEV = name_to_dev_t(saved_root_name)) == 0) - msleep(5); + usleep_range(5000, 6000); async_synchronize_full(); } -- 1.9.1