Re: [PATCH v2 rcu-dev 1/3] rcuperf: Add ability to increase object allocation size

From: Paul E. McKenney
Date: Tue Mar 17 2020 - 21:11:30 EST


On Tue, Mar 17, 2020 at 07:37:47PM -0400, joel@xxxxxxxxxxxxxxxxx wrote:
>
>
> On March 17, 2020 6:48:20 PM EDT, "Paul E. McKenney" <paulmck@xxxxxxxxxx> wrote:
> >On Tue, Mar 17, 2020 at 06:30:51PM -0400, Joel Fernandes wrote:
> >> On Tue, Mar 17, 2020 at 5:45 PM Paul E. McKenney <paulmck@xxxxxxxxxx>
> >wrote:
> >> >
> >> > On Tue, Mar 17, 2020 at 02:08:22PM -0700, Paul E. McKenney wrote:
> >> > > On Mon, Mar 16, 2020 at 12:32:26PM -0400, Joel Fernandes (Google)
> >wrote:
> >> > > > This allows us to increase memory pressure dynamically using a
> >new
> >> > > > rcuperf boot command line parameter called 'rcumult'.
> >> > > >
> >> > > > Signed-off-by: Joel Fernandes (Google) <joel@xxxxxxxxxxxxxxxxx>
> >> > >
> >> > > Applied for testing and review, thank you!
> >> >
> >> > But testing did not go far:
> >> >
> >> > kernel/rcu/tree.c: In function âkfree_rcu_shrink_countâ:
> >> > kernel/rcu/tree.c:3120:16: warning: unused variable âflagsâ
> >[-Wunused-variable]
> >> > unsigned long flags, count = 0;
> >>
> >> I fixed the warning already but did not resend since it was just the
> >> one unused variable warning. The patches are otherwise good to apply.
> >> Sorry, and I can resend it soon if you are not reapplying right now.
> >
> >So remove "flags, " and all is well?
>
> Yes, that's right. I dropped the lock but forgot to remove it.

Done, thank you!

Thanx, Paul

> >If so, I can just as easily fix that as take a new series. But next
> >time, please give a fella a warning. ;-)
>
> Will do, my bad. Thank you ;-)
>
> - Joel
>
> >
> > Thanx, Paul
>
> --
> Sent from my Android device with K-9 Mail. Please excuse my brevity.