This commit makes the num_rcu_lvl[] array external so that SRCU can make use of it for initializing its upcoming srcu_node tree.
Signed-off-by: Paul E. McKenney <[email protected]> --- kernel/rcu/rcu.h | 1 + kernel/rcu/tree.c | 2 +- 2 files changed, 2 insertions(+), 1 deletion(-) diff --git a/kernel/rcu/rcu.h b/kernel/rcu/rcu.h index 5c1798ec32f7..4303b880ac99 100644 --- a/kernel/rcu/rcu.h +++ b/kernel/rcu/rcu.h @@ -195,6 +195,7 @@ extern void resched_cpu(int cpu); #include <linux/rcu_node_tree.h> extern int rcu_num_lvls; +extern int num_rcu_lvl[]; extern int rcu_num_nodes; static bool rcu_fanout_exact; static int rcu_fanout_leaf; diff --git a/kernel/rcu/tree.c b/kernel/rcu/tree.c index 101473f92ff5..e0eb798181bc 100644 --- a/kernel/rcu/tree.c +++ b/kernel/rcu/tree.c @@ -123,7 +123,7 @@ static int rcu_fanout_leaf = RCU_FANOUT_LEAF; module_param(rcu_fanout_leaf, int, 0444); int rcu_num_lvls __read_mostly = RCU_NUM_LVLS; /* Number of rcu_nodes at specified level. */ -static int num_rcu_lvl[] = NUM_RCU_LVL_INIT; +int num_rcu_lvl[] = NUM_RCU_LVL_INIT; int rcu_num_nodes __read_mostly = NUM_RCU_NODES; /* Total # rcu_nodes in use. */ /* panic() on RCU Stall sysctl. */ int sysctl_panic_on_rcu_stall __read_mostly; -- 2.5.2
