Messages in this thread Patch in this message | | | From | Leo Yan <> | Subject | [PATCH v2 1/2] sched/fair: make capacity_margin __read_mostly | Date | Mon, 2 Oct 2017 08:30:11 +0800 |
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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.eggemann@arm.com> Cc: Morten Rasmussen <morten.rasmussen@arm.com> Cc: Chris Redpath <Chris.Redpath@arm.com> Cc: Joel Fernandes <joelaf@google.com> Cc: Vincent Guittot <vincent.guittot@linaro.org> Cc: Patrick Bellasi <patrick.bellasi@arm.com> Signed-off-by: Leo Yan <leo.yan@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
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