On Thu, Mar 23, 2023 at 05:37:52PM +0800, gouhao@xxxxxxxxxxxxx wrote: > From: Gou Hao <gouhao@xxxxxxxxxxxxx> > > If 'bh' is found in cache, just return directly. > might_sleep() is only required on slow paths. You're missing the point. The caller can't know whether the slow or fast path will be taken. So it must _never_ call this function if it cannot sleep.
