Members of lb_env struct are not in appropriate order to reuse compiler
added padding on 64bit architectures. In this patch we reorder those struct
members and help reduce the size of the structure from 96 bytes to 80
bytes on 64 bit architectures.
Suggested-by: Srivatsa Vaddagiri <[email protected]>
Signed-off-by: Prashanth Nageshappa <[email protected]>
---
diff --git a/kernel/sched/fair.c b/kernel/sched/fair.c
index 939fd63..96e36fb 100644
--- a/kernel/sched/fair.c
+++ b/kernel/sched/fair.c
@@ -3102,18 +3102,18 @@ static unsigned long __read_mostly max_load_balance_interval = HZ/10;
struct lb_env {
struct sched_domain *sd;
- int src_cpu;
struct rq *src_rq;
+ int src_cpu;
int dst_cpu;
struct rq *dst_rq;
enum cpu_idle_type idle;
long imbalance;
- unsigned int flags;
struct list_head *tasks;
+ unsigned int flags;
unsigned int loop;
unsigned int loop_break;
unsigned int loop_max;