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rcu: Initialize at declaration time in rcu_exp_handler() 

This commit moves the initialization of the CONFIG_PREEMPT=n version of
the rcu_exp_handler() function's rdp and rnp local variables into their
respective declarations to save a couple lines of code.

Signed-off-by: Paul E. McKenney <paulmck@kernel.org>
This commit is contained in:
Paul E. McKenney 2020-06-18 09:51:12 -07:00
parent d9b6074131
commit 7487ea07df
1 changed files with 2 additions and 4 deletions
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6
kernel/rcu/tree_exp.h
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@ -732,11 +732,9 @@ static void rcu_exp_need_qs(void)
/* Invoked on each online non-idle CPU for expedited quiescent state. */
static void rcu_exp_handler(void *unused)
{
struct rcu_data *rdp;
struct rcu_node *rnp;
struct rcu_data *rdp = this_cpu_ptr(&rcu_data);
struct rcu_node *rnp = rdp->mynode;
rdp = this_cpu_ptr(&rcu_data);
rnp = rdp->mynode;
if (!(READ_ONCE(rnp->expmask) & rdp->grpmask) ||
__this_cpu_read(rcu_data.cpu_no_qs.b.exp))
return;