Re: [PATCH RFC] rcu/segcblist: Add counters to segcblist datastructure

From: Joel Fernandes
Date: Wed Jul 29 2020 - 08:40:02 EST


On Mon, Jul 20, 2020 at 07:29:23AM -0700, Davidlohr Bueso wrote:
> On Sat, 18 Jul 2020, Joel Fernandes (Google) wrote:
>
> > +/* Move from's segment length to to's segment. */
> > +static void rcu_segcblist_move_seglen(struct rcu_segcblist *rsclp, int from, int to)
> > +{
> > + long len = rcu_segcblist_get_seglen(rsclp, from);
> > +
> > + if (!len || from == to)
> > + return;
>
> Nit: You probably wanna do the parameter sanity checks before the
> atomic_read.

Ok, I'll do that next revision. Thank you.

- Joel