[PATCH v3 04/10] sched/psi: move private helpers to sched/stats.h
From: Chengming Zhou <hidden>
Date: 2022-08-24 08:20:16
Also in:
cgroups, lkml
Subsystem:
pressure stall information (psi), scheduler, the rest · Maintainers:
Johannes Weiner, Suren Baghdasaryan, Ingo Molnar, Peter Zijlstra, Juri Lelli, Vincent Guittot, Linus Torvalds
This patch move psi_task_change/psi_task_switch declarations out of PSI public header, since they are only needed for implementing the PSI stats tracking in sched/stats.h psi_task_switch is obvious, psi_task_change can't be public helper since it doesn't check psi_disabled static key. And there is no any user now, so put it in sched/stats.h too. Signed-off-by: Chengming Zhou <redacted> Acked-by: Johannes Weiner <hannes@cmpxchg.org> --- include/linux/psi.h | 4 ---- kernel/sched/stats.h | 4 ++++ 2 files changed, 4 insertions(+), 4 deletions(-)
diff --git a/include/linux/psi.h b/include/linux/psi.h
index dd74411ac21d..fffd229fbf19 100644
--- a/include/linux/psi.h
+++ b/include/linux/psi.h@@ -18,10 +18,6 @@ extern struct psi_group psi_system; void psi_init(void); -void psi_task_change(struct task_struct *task, int clear, int set); -void psi_task_switch(struct task_struct *prev, struct task_struct *next, - bool sleep); - void psi_memstall_enter(unsigned long *flags); void psi_memstall_leave(unsigned long *flags);
diff --git a/kernel/sched/stats.h b/kernel/sched/stats.h
index baa839c1ba96..c39b467ece43 100644
--- a/kernel/sched/stats.h
+++ b/kernel/sched/stats.h@@ -107,6 +107,10 @@ __schedstats_from_se(struct sched_entity *se) } #ifdef CONFIG_PSI +void psi_task_change(struct task_struct *task, int clear, int set); +void psi_task_switch(struct task_struct *prev, struct task_struct *next, + bool sleep); + /* * PSI tracks state that persists across sleeps, such as iowaits and * memory stalls. As a result, it has to distinguish between sleeps,
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2.37.2