[tip:sched/core] sched/core: Remove rq->cpu_load[]

From: tip-bot for Dietmar Eggemann
Date: Mon Jun 03 2019 - 09:08:17 EST


Commit-ID: 55627e3cd22c315c4a02fe3bbbb7234ec439cb1d
Gitweb: https://git.kernel.org/tip/55627e3cd22c315c4a02fe3bbbb7234ec439cb1d
Author: Dietmar Eggemann <dietmar.eggemann@xxxxxxx>
AuthorDate: Mon, 27 May 2019 07:21:13 +0100
Committer: Ingo Molnar <mingo@xxxxxxxxxx>
CommitDate: Mon, 3 Jun 2019 11:49:40 +0200

sched/core: Remove rq->cpu_load[]

The per rq load array values also disappear from the cpu#X sections in
/proc/sched_debug.

Signed-off-by: Dietmar Eggemann <dietmar.eggemann@xxxxxxx>
Signed-off-by: Peter Zijlstra (Intel) <peterz@xxxxxxxxxxxxx>
Acked-by: Rik van Riel <riel@xxxxxxxxxxx>
Cc: Frederic Weisbecker <fweisbec@xxxxxxxxx>
Cc: Linus Torvalds <torvalds@xxxxxxxxxxxxxxxxxxxx>
Cc: Morten Rasmussen <morten.rasmussen@xxxxxxx>
Cc: Patrick Bellasi <patrick.bellasi@xxxxxxx>
Cc: Peter Zijlstra <peterz@xxxxxxxxxxxxx>
Cc: Quentin Perret <quentin.perret@xxxxxxx>
Cc: Thomas Gleixner <tglx@xxxxxxxxxxxxx>
Cc: Valentin Schneider <valentin.schneider@xxxxxxx>
Cc: Vincent Guittot <vincent.guittot@xxxxxxxxxx>
Link: https://lkml.kernel.org/r/20190527062116.11512-5-dietmar.eggemann@xxxxxxx
Signed-off-by: Ingo Molnar <mingo@xxxxxxxxxx>
---
kernel/sched/core.c | 6 +-----
kernel/sched/debug.c | 5 -----
kernel/sched/sched.h | 2 --
3 files changed, 1 insertion(+), 12 deletions(-)

diff --git a/kernel/sched/core.c b/kernel/sched/core.c
index 00b8966802a8..29984d8c41f0 100644
--- a/kernel/sched/core.c
+++ b/kernel/sched/core.c
@@ -5901,8 +5901,8 @@ DECLARE_PER_CPU(cpumask_var_t, select_idle_mask);

void __init sched_init(void)
{
- int i, j;
unsigned long alloc_size = 0, ptr;
+ int i;

wait_bit_init();

@@ -6004,10 +6004,6 @@ void __init sched_init(void)
#ifdef CONFIG_RT_GROUP_SCHED
init_tg_rt_entry(&root_task_group, &rq->rt, NULL, i, NULL);
#endif
-
- for (j = 0; j < CPU_LOAD_IDX_MAX; j++)
- rq->cpu_load[j] = 0;
-
#ifdef CONFIG_SMP
rq->sd = NULL;
rq->rd = NULL;
diff --git a/kernel/sched/debug.c b/kernel/sched/debug.c
index 5c7b066d7de6..a0b0d6e21e5b 100644
--- a/kernel/sched/debug.c
+++ b/kernel/sched/debug.c
@@ -654,11 +654,6 @@ do { \
SEQ_printf(m, " .%-30s: %ld\n", "curr->pid", (long)(task_pid_nr(rq->curr)));
PN(clock);
PN(clock_task);
- P(cpu_load[0]);
- P(cpu_load[1]);
- P(cpu_load[2]);
- P(cpu_load[3]);
- P(cpu_load[4]);
#undef P
#undef PN

diff --git a/kernel/sched/sched.h b/kernel/sched/sched.h
index 3750b5e53792..607859a18b2a 100644
--- a/kernel/sched/sched.h
+++ b/kernel/sched/sched.h
@@ -812,8 +812,6 @@ struct rq {
unsigned int nr_preferred_running;
unsigned int numa_migrate_on;
#endif
- #define CPU_LOAD_IDX_MAX 5
- unsigned long cpu_load[CPU_LOAD_IDX_MAX];
#ifdef CONFIG_NO_HZ_COMMON
#ifdef CONFIG_SMP
unsigned long last_load_update_tick;