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cgroup/misc: Remove unused misc_cg_res_total_usage

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misc_cg_res_total_usage() was added in 2021 by
commit a72232eabdfc ("cgroup: Add misc cgroup controller")

but has remained unused.

Remove it.

Signed-off-by: Dr. David Alan Gilbert <linux@treblig.org>
Acked-by: Michal Koutný <mkoutny@suse.com>
Signed-off-by: Tejun Heo <tj@kernel.org>
This commit is contained in:
Dr. David Alan Gilbert 2025-01-27 23:52:14 +00:00 committed by Tejun Heo
parent dae68fba8e
commit ad6c08d8c1
2 changed files with 0 additions and 22 deletions
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6
include/linux/misc_cgroup.h
View File

@ -60,7 +60,6 @@ struct misc_cg {
struct misc_res res[MISC_CG_RES_TYPES];
};
u64 misc_cg_res_total_usage(enum misc_res_type type);
int misc_cg_set_capacity(enum misc_res_type type, u64 capacity);
int misc_cg_try_charge(enum misc_res_type type, struct misc_cg *cg, u64 amount);
void misc_cg_uncharge(enum misc_res_type type, struct misc_cg *cg, u64 amount);
@ -104,11 +103,6 @@ static inline void put_misc_cg(struct misc_cg *cg)
#else /* !CONFIG_CGROUP_MISC */
static inline u64 misc_cg_res_total_usage(enum misc_res_type type)
{
return 0;
}
static inline int misc_cg_set_capacity(enum misc_res_type type, u64 capacity)
{
return 0;

16
kernel/cgroup/misc.c
View File

@ -67,22 +67,6 @@ static inline bool valid_type(enum misc_res_type type)
return type >= 0 && type < MISC_CG_RES_TYPES;
}
/**
* misc_cg_res_total_usage() - Get the current total usage of the resource.
* @type: misc res type.
*
* Context: Any context.
* Return: Current total usage of the resource.
*/
u64 misc_cg_res_total_usage(enum misc_res_type type)
{
if (valid_type(type))
return atomic64_read(&root_cg.res[type].usage);
return 0;
}
EXPORT_SYMBOL_GPL(misc_cg_res_total_usage);
/**
* misc_cg_set_capacity() - Set the capacity of the misc cgroup res.
* @type: Type of the misc res.