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rcu: add __cpuinit to rcu_init_percpu_data()

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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>
This commit is contained in:
Lai Jiangshan 2009-01-14 14:58:15 +08:00 committed by Ingo Molnar
parent a6525042bf
commit e4fa4c9701
2 changed files with 2 additions and 2 deletions
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2
kernel/rcuclassic.c
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@ -716,7 +716,7 @@ void rcu_check_callbacks(int cpu, int user)
raise_rcu_softirq(); 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) struct rcu_data *rdp)
{ {
unsigned long flags; unsigned long flags;

2
kernel/rcutree.c
View File

@ -1314,7 +1314,7 @@ int rcu_needs_cpu(int cpu)
* access due to the fact that this CPU cannot possibly have any RCU * access due to the fact that this CPU cannot possibly have any RCU
* callbacks in flight yet. * callbacks in flight yet.
*/ */
static void static void __cpuinit
rcu_init_percpu_data(int cpu, struct rcu_state *rsp) rcu_init_percpu_data(int cpu, struct rcu_state *rsp)
{ {
unsigned long flags; unsigned long flags;