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authorPaul E. McKenney <paul.mckenney@linaro.org>2012-12-30 13:06:35 -0800
committerPaul E. McKenney <paulmck@linux.vnet.ibm.com>2013-03-26 08:04:56 -0700
commit8b425aa8f1acfe48aed919c7aadff2ed290fe969 (patch)
tree355c435f747bda4c4051bf2a0e4f88596d7055e2 /kernel/rcutree.h
parentb8462084a2a88a6a0489f9bb7d8b1bb95bc455ab (diff)
rcu: Rename n_nocb_gp_requests to need_future_gp
CPUs going idle need to be able to indicate their need for future grace periods. A mechanism for doing this already exists for no-callbacks CPUs, so the idea is to re-use that mechanism. This commit therefore moves the ->n_nocb_gp_requests field of the rcu_node structure out from under the CONFIG_RCU_NOCB_CPU #ifdef and renames it to ->need_future_gp. Signed-off-by: Paul E. McKenney <paul.mckenney@linaro.org> Signed-off-by: Paul E. McKenney <paulmck@linux.vnet.ibm.com>
Diffstat (limited to 'kernel/rcutree.h')
-rw-r--r--kernel/rcutree.h4
1 files changed, 2 insertions, 2 deletions
diff --git a/kernel/rcutree.h b/kernel/rcutree.h
index 96a27f922e92..034b524594bd 100644
--- a/kernel/rcutree.h
+++ b/kernel/rcutree.h
@@ -194,9 +194,9 @@ struct rcu_node {
#ifdef CONFIG_RCU_NOCB_CPU
wait_queue_head_t nocb_gp_wq[2];
/* Place for rcu_nocb_kthread() to wait GP. */
- int n_nocb_gp_requests[2];
- /* Counts of upcoming no-CB GP requests. */
#endif /* #ifdef CONFIG_RCU_NOCB_CPU */
+ int need_future_gp[2];
+ /* Counts of upcoming no-CB GP requests. */
raw_spinlock_t fqslock ____cacheline_internodealigned_in_smp;
} ____cacheline_internodealigned_in_smp;