[PATCH] sched: remove cache_hot_time

remove the last unused remains of cache_hot_time.
Signed-off-by: NIngo Molnar <mingo@elte.hu>

include/linux/sched.h

@@ -734,7 +734,6 @@ struct sched_domain {
 	unsigned long max_interval;	/* Maximum balance interval ms */
 	unsigned int busy_factor;	/* less balancing by factor if busy */
 	unsigned int imbalance_pct;	/* No balance until over watermark */
-	unsigned long long cache_hot_time; /* Task considered cache hot (ns) */
 	unsigned int cache_nice_tries;	/* Leave cache hot tasks for # tries */
 	unsigned int busy_idx;
 	unsigned int idle_idx;

include/linux/topology.h

@@ -185,7 +185,6 @@
 	.max_interval		= 64*num_online_cpus(),	\
 	.busy_factor		= 128,			\
 	.imbalance_pct		= 133,			\
-	.cache_hot_time		= (10*1000000),		\
 	.cache_nice_tries	= 1,			\
 	.busy_idx		= 3,			\
 	.idle_idx		= 3,			\

kernel/sched.c

@@ -5269,8 +5269,6 @@ sd_alloc_ctl_domain_table(struct sched_domain *sd)
 		sizeof(int), 0644, proc_dointvec_minmax);
 	set_table_entry(&table[8], 9, "imbalance_pct", &sd->imbalance_pct,
 		sizeof(int), 0644, proc_dointvec_minmax);
-	set_table_entry(&table[9], 10, "cache_hot_time", &sd->cache_hot_time,
-		sizeof(long long), 0644, proc_doulongvec_minmax);
 	set_table_entry(&table[10], 11, "cache_nice_tries",
 		&sd->cache_nice_tries,
 		sizeof(int), 0644, proc_dointvec_minmax);