Variable 'capacity_margin' is used with read operation for most cases to calculate the capacity margin, put it into __read_mostly section.
Cc: Dietmar Eggemann <dietmar.eggem...@arm.com> Cc: Morten Rasmussen <morten.rasmus...@arm.com> Cc: Chris Redpath <chris.redp...@arm.com> Cc: Joel Fernandes <joe...@google.com> Cc: Vincent Guittot <vincent.guit...@linaro.org> Cc: Patrick Bellasi <patrick.bell...@arm.com> Signed-off-by: Leo Yan <leo....@linaro.org> --- kernel/sched/fair.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/kernel/sched/fair.c b/kernel/sched/fair.c index 70ba32e..ad03bf4 100644 --- a/kernel/sched/fair.c +++ b/kernel/sched/fair.c @@ -129,7 +129,7 @@ unsigned int sysctl_sched_cfs_bandwidth_slice = 5000UL; * * (default: ~20%) */ -unsigned int capacity_margin = 1280; +unsigned int capacity_margin __read_mostly = 1280; static inline void update_load_add(struct load_weight *lw, unsigned long inc) { -- 2.7.4