[PATCH v2 5/6] powerpc/smp: Add read_mostly attribute

[Srikar Dronamraju]

There are some variables that are only updated at boot time.
So add read_mostly attribute to such variables

Signed-off-by: Srikar Dronamraju <srikar at linux.vnet.ibm.com>
---
 arch/powerpc/kernel/smp.c | 10 +++++-----
 1 file changed, 5 insertions(+), 5 deletions(-)

diff --git a/arch/powerpc/kernel/smp.c b/arch/powerpc/kernel/smp.c
index 29da9262cb17..b1eb11a66902 100644
--- a/arch/powerpc/kernel/smp.c
+++ b/arch/powerpc/kernel/smp.c
@@ -77,10 +77,10 @@ static DEFINE_PER_CPU(int, cpu_state) = { 0 };
 #endif
 
 struct task_struct *secondary_current;
-bool has_big_cores;
-bool coregroup_enabled;
-bool thread_group_shares_l2;
-bool thread_group_shares_l3;
+bool has_big_cores __read_mostly;
+bool coregroup_enabled __read_mostly;
+bool thread_group_shares_l2 __read_mostly;
+bool thread_group_shares_l3 __read_mostly;
 
 DEFINE_PER_CPU(cpumask_var_t, cpu_sibling_map);
 DEFINE_PER_CPU(cpumask_var_t, cpu_smallcore_map);
@@ -987,7 +987,7 @@ static int __init init_thread_group_cache_map(int cpu, int cache_property)
 	return 0;
 }
 
-static bool shared_caches;
+static bool shared_caches __read_mostly;
 DEFINE_STATIC_KEY_FALSE(powerpc_asym_packing);
 
 #ifdef CONFIG_SCHED_SMT
-- 
2.31.1