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Subject[PATCH] idle_at_tick is only used when CONFIG_SMP is set
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The idle_at_tick in struct rq is only used in SMP settings
and it does not make sense to have this in the rq in an UP setup.

Signed-off-by: Henrik Austad <henrik@austad.us>
---
kernel/sched.c | 2 +-
1 files changed, 1 insertions(+), 1 deletions(-)

diff --git a/kernel/sched.c b/kernel/sched.c
index 8ee437a..a8a4abc 100644
--- a/kernel/sched.c
+++ b/kernel/sched.c
@@ -549,7 +549,6 @@ struct rq {
unsigned long nr_running;
#define CPU_LOAD_IDX_MAX 5
unsigned long cpu_load[CPU_LOAD_IDX_MAX];
- unsigned char idle_at_tick;
#ifdef CONFIG_NO_HZ
unsigned long last_tick_seen;
unsigned char in_nohz_recently;
@@ -590,6 +589,7 @@ struct rq {
struct root_domain *rd;
struct sched_domain *sd;

+ unsigned char idle_at_tick;
/* For active balancing */
int active_balance;
int push_cpu;
--
1.6.1


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