Commit ad6c08d8 authored by Dr. David Alan Gilbert's avatar Dr. David Alan Gilbert Committed by Tejun Heo
Browse files

cgroup/misc: Remove unused misc_cg_res_total_usage 



misc_cg_res_total_usage() was added in 2021 by
commit a72232ea ("cgroup: Add misc cgroup controller")

but has remained unused.

Remove it.

Signed-off-by: default avatarDr. David Alan Gilbert <linux@treblig.org>
Acked-by: default avatarMichal Koutný <mkoutny@suse.com>
Signed-off-by: default avatarTejun Heo <tj@kernel.org>
parent dae68fba

include/linux/misc_cgroup.h

+0 −6
Original line number Diff line number Diff line
@@ -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;

kernel/cgroup/misc.c

+0 −16
Original line number Diff line number Diff line
@@ -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.