rcu: add __cpuinit to rcu_init_percpu_data()
Impact: reduce memory footprint
add __cpuinit to rcu_init_percpu_data(), and this function's text
will be discarded after boot when !CONFIG_HOTPLUG_CPU.
Signed-off-by: Lai Jiangshan <laijs@cn.fujitsu.com>
Signed-off-by: Ingo Molnar <mingo@elte.hu>
diff --git a/kernel/rcuclassic.c b/kernel/rcuclassic.c
index 490934f..bd5a900 100644
--- a/kernel/rcuclassic.c
+++ b/kernel/rcuclassic.c
@@ -716,7 +716,7 @@
raise_rcu_softirq();
}
-static void rcu_init_percpu_data(int cpu, struct rcu_ctrlblk *rcp,
+static void __cpuinit rcu_init_percpu_data(int cpu, struct rcu_ctrlblk *rcp,
struct rcu_data *rdp)
{
unsigned long flags;
diff --git a/kernel/rcutree.c b/kernel/rcutree.c
index f2d8638..b2fd602 100644
--- a/kernel/rcutree.c
+++ b/kernel/rcutree.c
@@ -1314,7 +1314,7 @@
* access due to the fact that this CPU cannot possibly have any RCU
* callbacks in flight yet.
*/
-static void
+static void __cpuinit
rcu_init_percpu_data(int cpu, struct rcu_state *rsp)
{
unsigned long flags;