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Commit e95d68d2 authored by Paul E. McKenney's avatar Paul E. McKenney
Browse files

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: default avatarPaul E. McKenney <paulmck@linux.vnet.ibm.com>
parent efbe451d

kernel/rcu/rcu.h

+1 −0
Original line number Diff line number Diff line
@@ -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;

kernel/rcu/tree.c

+1 −1
Original line number Diff line number Diff line
@@ -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;