cgroup_rstat_flush_irqsafe() has no users, remove it.
cgroup_rstat_flush_hold() and cgroup_rstat_flush_release() are only used within
this file. Make it static.
Signed-off-by: Sebastian Andrzej Siewior <bigeasy@xxxxxxxxxxxxx>
---
include/linux/cgroup.h | 3 ---
kernel/cgroup/rstat.c | 19 ++-----------------
2 files changed, 2 insertions(+), 20 deletions(-)
diff --git a/include/linux/cgroup.h b/include/linux/cgroup.h
index f6b048902d6c5..2d1cb3f534ce1 100644
--- a/include/linux/cgroup.h
+++ b/include/linux/cgroup.h
@@ -749,9 +749,6 @@ static inline void cgroup_path_from_kernfs_id(const union kernfs_node_id *id,
*/
void cgroup_rstat_updated(struct cgroup *cgrp, int cpu);
void cgroup_rstat_flush(struct cgroup *cgrp);
-void cgroup_rstat_flush_irqsafe(struct cgroup *cgrp);
-void cgroup_rstat_flush_hold(struct cgroup *cgrp);
-void cgroup_rstat_flush_release(void);
/*
* Basic resource stats.
diff --git a/kernel/cgroup/rstat.c b/kernel/cgroup/rstat.c
index 72ba0ec4ae209..22e83497362ff 100644
--- a/kernel/cgroup/rstat.c
+++ b/kernel/cgroup/rstat.c
@@ -200,21 +200,6 @@ void cgroup_rstat_flush(struct cgroup *cgrp)
spin_unlock_irq(&cgroup_rstat_lock);
}
-/**
- * cgroup_rstat_flush_irqsafe - irqsafe version of cgroup_rstat_flush()
- * @cgrp: target cgroup
- *
- * This function can be called from any context.
- */
-void cgroup_rstat_flush_irqsafe(struct cgroup *cgrp)
-{
- unsigned long flags;
-
- spin_lock_irqsave(&cgroup_rstat_lock, flags);
- cgroup_rstat_flush_locked(cgrp, false);
- spin_unlock_irqrestore(&cgroup_rstat_lock, flags);
-}
-
/**
* cgroup_rstat_flush_begin - flush stats in @cgrp's subtree and hold
* @cgrp: target cgroup
@@ -224,7 +209,7 @@ void cgroup_rstat_flush_irqsafe(struct cgroup *cgrp)
*
* This function may block.
*/
-void cgroup_rstat_flush_hold(struct cgroup *cgrp)
+static void cgroup_rstat_flush_hold(struct cgroup *cgrp)
__acquires(&cgroup_rstat_lock)
{
might_sleep();
@@ -235,7 +220,7 @@ void cgroup_rstat_flush_hold(struct cgroup *cgrp)
/**
* cgroup_rstat_flush_release - release cgroup_rstat_flush_hold()
*/
-void cgroup_rstat_flush_release(void)
+static void cgroup_rstat_flush_release(void)
__releases(&cgroup_rstat_lock)
{
spin_unlock_irq(&cgroup_rstat_lock);
--
2.23.0.rc1
