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| author | Paul E. McKenney <paulmck@linux.vnet.ibm.com> | 2017-03-15 21:11:11 +0100 |
|---|---|---|
| committer | Paul E. McKenney <paulmck@linux.vnet.ibm.com> | 2017-04-18 20:38:21 +0200 |
| commit | e95d68d2127716c7d6fb144bb19ef48ce9f37393 (patch) | |
| tree | 40f1660a6c2829acc711e4702022f20ca59b83d1 /kernel | |
| parent | srcu: Move rcu_node traversal macros to rcu.h (diff) | |
| download | linux-e95d68d2127716c7d6fb144bb19ef48ce9f37393.tar.xz linux-e95d68d2127716c7d6fb144bb19ef48ce9f37393.zip | |
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 <paulmck@linux.vnet.ibm.com>
Diffstat (limited to 'kernel')
| -rw-r--r-- | kernel/rcu/rcu.h | 1 | ||||
| -rw-r--r-- | kernel/rcu/tree.c | 2 |
2 files changed, 2 insertions, 1 deletions
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 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; |