Messages in this thread | | | From | Pranith Kumar <> | Date | Wed, 22 Apr 2015 01:25:07 -0400 | Subject | Re: [PATCH tip/core/rcu 11/12] rcu: Make RCU able to tolerate undefined CONFIG_RCU_FANOUT_LEAF |
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On Tue, Apr 21, 2015 at 3:55 PM, Paul E. McKenney <paulmck@linux.vnet.ibm.com> wrote:
> diff --git a/kernel/rcu/tree_plugin.h b/kernel/rcu/tree_plugin.h > index 2e52502bfc95..a2f64e4fdb57 100644 > --- a/kernel/rcu/tree_plugin.h > +++ b/kernel/rcu/tree_plugin.h > @@ -86,10 +86,10 @@ static void __init rcu_bootup_announce_oddness(void) > pr_info("\tAdditional per-CPU info printed with stalls.\n"); > if (RCU_NUM_LVLS >= 4) > pr_info("\tFour(or more)-level hierarchy is enabled.\n"); > - if (CONFIG_RCU_FANOUT_LEAF != 16) > + if (RCU_FANOUT_LEAF != 16)
So if CONFIG_RCU_FANOUT_LEAF is either by default 32 or 64, this check against 16 for build-time adjustment is a bit misleading, no?
-- Pranith
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