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From: Shrikanth H. <ss...@li...> - 2024-01-18 08:50:23
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when a ifdef is used in the below manner, second one could be considered as
duplicate.
ifdef DEFINE_A
...code block...
ifdef DEFINE_A
...code block...
endif
...code block...
endif
In the scheduler code, there are two places where above pattern can be
observed. Hence second ifdef is a duplicate and not needed.
Plus a minor comment update to reflect the else case.
No functional change is intended here. It only aims to improve code
readability.
Signed-off-by: Shrikanth Hegde <ss...@li...>
---
kernel/sched/core.c | 4 +---
kernel/sched/fair.c | 2 --
2 files changed, 1 insertion(+), 5 deletions(-)
diff --git a/kernel/sched/core.c b/kernel/sched/core.c
index 038eeaf76d2d..1bfb186fd67f 100644
--- a/kernel/sched/core.c
+++ b/kernel/sched/core.c
@@ -1792,7 +1792,6 @@ static void cpu_util_update_eff(struct cgroup_subsys_state *css);
#endif
#ifdef CONFIG_SYSCTL
-#ifdef CONFIG_UCLAMP_TASK
#ifdef CONFIG_UCLAMP_TASK_GROUP
static void uclamp_update_root_tg(void)
{
@@ -1898,7 +1897,6 @@ static int sysctl_sched_uclamp_handler(struct ctl_table *table, int write,
return result;
}
#endif
-#endif
static int uclamp_validate(struct task_struct *p,
const struct sched_attr *attr)
@@ -2065,7 +2063,7 @@ static void __init init_uclamp(void)
}
}
-#else /* CONFIG_UCLAMP_TASK */
+#else /* !CONFIG_UCLAMP_TASK */
static inline void uclamp_rq_inc(struct rq *rq, struct task_struct *p) { }
static inline void uclamp_rq_dec(struct rq *rq, struct task_struct *p) { }
static inline int uclamp_validate(struct task_struct *p,
diff --git a/kernel/sched/fair.c b/kernel/sched/fair.c
index f2bb83675e4a..6158a6752c25 100644
--- a/kernel/sched/fair.c
+++ b/kernel/sched/fair.c
@@ -10166,10 +10166,8 @@ static int idle_cpu_without(int cpu, struct task_struct *p)
* be computed and tested before calling idle_cpu_without().
*/
-#ifdef CONFIG_SMP
if (rq->ttwu_pending)
return 0;
-#endif
return 1;
}
--
2.39.3
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