From: Paul E. McKenney Date: Wed, 15 Mar 2017 20:11:11 +0000 (-0700) Subject: srcu: Make num_rcu_lvl[] array be external X-Git-Url: https://git.stricted.de/?a=commitdiff_plain;h=e95d68d2127716c7d6fb144bb19ef48ce9f37393;p=GitHub%2Fmoto-9609%2Fandroid_kernel_motorola_exynos9610.git srcu: Make num_rcu_lvl[] array be external 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 --- 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 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 9397a6693d70..346948b51b0b 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;