On 01/06, Linus Torvalds wrote: > > On Mon, 6 Jan 2025 at 08:31, Oleg Nesterov <oleg@xxxxxxxxxx> wrote: > > > > To be honest, I don't understand the wait_address check in poll_wait(), > > it seems that wait_address is never NULL. > > Oh, it seems to be historical. Yeah, please see my previous email. I think it must die, but needs another one-liner. > > That is what I tried to propose. Will you agree with this change? > > We can even use smp_store_mb(), say > > I think it's clearer to just use smp_mb(). OK, agreed, I'll send the trivial patch once I write the changelog. Oleg.
