diff options
| author |   Paul E. McKenney <paulmck@kernel.org> | 2019-10-11 21:40:09 -0700 |
|---|---|---|
| committer | Paul E. McKenney <paulmck@kernel.org> | 2019-12-12 10:24:52 -0800 |
| commit | c30fe541896440667bd9e9068aedd1d440fbbcd2 (patch) | |
| tree | ff79012eff842026e1d3f213c70f2eda6d970300 /kernel/rcu | |
| parent | rcu: Remove rcu_swap_protected() (diff) | |
| download | linux-dev-c30fe541896440667bd9e9068aedd1d440fbbcd2.tar.xz linux-dev-c30fe541896440667bd9e9068aedd1d440fbbcd2.zip | |
rcu: Mark non-global functions and variables as static
Each of rcu_state, rcu_rnp_online_cpus(), rcu_dynticks_curr_cpu_in_eqs(),
and rcu_dynticks_snap() are used only in the kernel/rcu/tree.o translation
unit, and may thus be marked static. This commit therefore makes this
change.
Reported-by: Ben Dooks <ben.dooks@codethink.co.uk>
Signed-off-by: Paul E. McKenney <paulmck@kernel.org>
Reviewed-by: Joel Fernandes (Google) <joel@joelfernandes.org>
Diffstat (limited to 'kernel/rcu')
| -rw-r--r-- | kernel/rcu/tree.c | 8 | ||||
| -rw-r--r-- | kernel/rcu/tree.h | 2 |
2 files changed, 4 insertions, 6 deletions
diff --git a/kernel/rcu/tree.c b/kernel/rcu/tree.c index 1694a6b57ad8..dd8cfc34f4da 100644 --- a/kernel/rcu/tree.c +++ b/kernel/rcu/tree.c @@ -84,7 +84,7 @@ static DEFINE_PER_CPU_SHARED_ALIGNED(struct rcu_data, rcu_data) = { .dynticks_nmi_nesting = DYNTICK_IRQ_NONIDLE, .dynticks = ATOMIC_INIT(RCU_DYNTICK_CTRL_CTR), }; -struct rcu_state rcu_state = { +static struct rcu_state rcu_state = { .level = { &rcu_state.node[0] }, .gp_state = RCU_GP_IDLE, .gp_seq = (0UL - 300UL) << RCU_SEQ_CTR_SHIFT, @@ -188,7 +188,7 @@ EXPORT_SYMBOL_GPL(rcu_get_gp_kthreads_prio); * held, but the bit corresponding to the current CPU will be stable * in most contexts. */ -unsigned long rcu_rnp_online_cpus(struct rcu_node *rnp) +static unsigned long rcu_rnp_online_cpus(struct rcu_node *rnp) { return READ_ONCE(rnp->qsmaskinitnext); } @@ -294,7 +294,7 @@ static void rcu_dynticks_eqs_online(void) * * No ordering, as we are sampling CPU-local information. */ -bool rcu_dynticks_curr_cpu_in_eqs(void) +static bool rcu_dynticks_curr_cpu_in_eqs(void) { struct rcu_data *rdp = this_cpu_ptr(&rcu_data); @@ -305,7 +305,7 @@ bool rcu_dynticks_curr_cpu_in_eqs(void) * Snapshot the ->dynticks counter with full ordering so as to allow * stable comparison of this counter with past and future snapshots. */ -int rcu_dynticks_snap(struct rcu_data *rdp) +static int rcu_dynticks_snap(struct rcu_data *rdp) { int snap = atomic_add_return(0, &rdp->dynticks); diff --git a/kernel/rcu/tree.h b/kernel/rcu/tree.h index 055c31781d3a..e4dc5debfc84 100644 --- a/kernel/rcu/tree.h +++ b/kernel/rcu/tree.h @@ -403,8 +403,6 @@ static const char *tp_rcu_varname __used __tracepoint_string = rcu_name; #define RCU_NAME rcu_name #endif /* #else #ifdef CONFIG_TRACING */ -int rcu_dynticks_snap(struct rcu_data *rdp); - /* Forward declarations for tree_plugin.h */ static void rcu_bootup_announce(void); static void rcu_qs(void); |