On Fri, Jan 20, 2023 at 02:38:27PM +0100, Sebastian Andrzej Siewior wrote: > On 2023-01-20 13:24:41 [+0000], Mel Gorman wrote: > > --- a/kernel/locking/rwbase_rt.c > > +++ b/kernel/locking/rwbase_rt.c > > @@ -264,12 +291,17 @@ static int __sched rwbase_write_lock(struct rwbase_rt *rwb, > > if (__rwbase_write_trylock(rwb)) > > break; > > > > + /* Record timeout when reader bias is ignored. */ > > + rwb->waiter_timeout = jiffies + RWBASE_RT_WAIT_TIMEOUT; > rwb->waiter_timeout = (jiffies + RWBASE_RT_WAIT_TIMEOUT) | 1; > > There is the unlikely case that (jiffies + RWBASE_RT_WAIT_TIMEOUT) = 0 > on 32bit where it is not jiffies64. > > Reviewed-by: Sebastian Andrzej Siewior <bigeasy@xxxxxxxxxxxxx> > Thanks very much, updated version will be posted shortly. -- Mel Gorman SUSE Labs
