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Commit 3dc5dbe9 authored by Paul E. McKenney's avatar Paul E. McKenney
Browse files

rcu: Move lock_class_key to local scope 



Currently, the rcu_node_class[], rcu_fqs_class[], and rcu_exp_class[]
arrays needlessly pollute the global namespace within tree.c.  This
commit therefore converts them to static local variables within
rcu_init_one().

Signed-off-by: default avatarPaul E. McKenney <paulmck@linux.vnet.ibm.com>
parent 6cf10081

kernel/rcu/tree.c

+3 −4
Original line number Diff line number Diff line
@@ -68,10 +68,6 @@ MODULE_ALIAS("rcutree"); 


/* Data structures. */



static struct lock_class_key rcu_node_class[RCU_NUM_LVLS];

static struct lock_class_key rcu_fqs_class[RCU_NUM_LVLS];

static struct lock_class_key rcu_exp_class[RCU_NUM_LVLS];



/*

 * In order to export the rcu_state name to the tracing tools, it

 * needs to be added in the __tracepoint_string section.
@@ -4365,6 +4361,9 @@ static void __init rcu_init_one(struct rcu_state *rsp, 
	static const char * const buf[] = RCU_NODE_NAME_INIT;

	static const char * const fqs[] = RCU_FQS_NAME_INIT;

	static const char * const exp[] = RCU_EXP_NAME_INIT;

	static struct lock_class_key rcu_node_class[RCU_NUM_LVLS];

	static struct lock_class_key rcu_fqs_class[RCU_NUM_LVLS];

	static struct lock_class_key rcu_exp_class[RCU_NUM_LVLS];

	static u8 fl_mask = 0x1;



	int levelcnt[RCU_NUM_LVLS];		/* # nodes in each level. */