Le Wed, Mar 15, 2023 at 07:43:44PM +0000, Joel Fernandes (Google) a écrit : > From: Zqiang <qiang1.zhang@xxxxxxxxx> > > The lazy_rcu_shrink_count() shrinker function is registered even in > kernels built with CONFIG_RCU_LAZY=n, in which case this function > uselessly consumes cycles learning that no CPU has any lazy callbacks > queued. > > This commit therefore registers this shrinker function only in the kernels > built with CONFIG_RCU_LAZY=y, where it might actually do something useful. > > Signed-off-by: Zqiang <qiang1.zhang@xxxxxxxxx> > Reviewed-by: Joel Fernandes (Google) <joel@xxxxxxxxxxxxxxxxx> > Signed-off-by: Paul E. McKenney <paulmck@xxxxxxxxxx> > Signed-off-by: Joel Fernandes (Google) <joel@xxxxxxxxxxxxxxxxx> Reviewed-by: Frederic Weisbecker <frederic@xxxxxxxxxx>
