This commit tries to spawn nocb kthreads only when the CPU is marked as a nocb
cpu. This is a minor optimization.
Signed-off-by: Pranith Kumar <bobby.pr...@gmail.com>
---
kernel/rcu/tree_plugin.h | 3 ++-
1 file changed, 2 insertions(+), 1 deletion(-)
diff --git a/kernel/rcu/tree_plugin.h b/kernel/rcu/tree_plugin.h
index 541c776..8abff0a 100644
--- a/kernel/rcu/tree_plugin.h
+++ b/kernel/rcu/tree_plugin.h
@@ -1490,7 +1490,8 @@ static void rcu_prepare_kthreads(int cpu)
return;
rcu_spawn_one_boost_kthread(rcu_state_p, rnp);
- rcu_spawn_all_nocb_kthreads(cpu);
+ if (rcu_is_nocb_cpu(cpu))
+ rcu_spawn_all_nocb_kthreads(cpu);
}
#else /* #ifdef CONFIG_RCU_BOOST */
--
2.0.0.rc2
--
To unsubscribe from this list: send the line "unsubscribe linux-kernel" in
the body of a message to majord...@vger.kernel.org
More majordomo info at http://vger.kernel.org/majordomo-info.html
Please read the FAQ at http://www.tux.org/lkml/
