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| author | Paul E. McKenney <paul.mckenney@linaro.org> | 2012-12-30 22:06:35 +0100 |
|---|---|---|
| committer | Paul E. McKenney <paulmck@linux.vnet.ibm.com> | 2013-03-26 16:04:56 +0100 |
| commit | 8b425aa8f1acfe48aed919c7aadff2ed290fe969 (patch) | |
| tree | 355c435f747bda4c4051bf2a0e4f88596d7055e2 /kernel/rcutree.h | |
| parent | rcu: Push lock release to rcu_start_gp()'s callers (diff) | |
| download | linux-8b425aa8f1acfe48aed919c7aadff2ed290fe969.tar.xz linux-8b425aa8f1acfe48aed919c7aadff2ed290fe969.zip | |
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.h | 4 |
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; |