On Sat, Jun 17, 2023 at 07:43:15AM +0100, David Howells wrote: > Simon Horman <simon.horman@xxxxxxxxxxxx> wrote: > > > > + cache = get_cpu_ptr(&skb_splice_frag_cache); > ... > > > + put_cpu_ptr(skb_splice_frag_cache); > > > > Hi David, > > > > I don't think it makes any difference at run-time. > > But to keep Sparse happy, perhaps this ought to be put_cpu_var() > > Actually, the problem is a missing "&". I think I should use put_cpu_ptr() to > match get_cpu_ptr(). It doesn't crash because the argument is ignored. Thanks David, I agree that is a better idea.