[PATCH 1/4] memcg: Cleanup with !CONFIG_MEMCG_V1

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Extern declarations have no definitions with !CONFIG_MEMCG_V1 and no
users, drop them altogether.

Signed-off-by: Michal Koutný <mkoutny@xxxxxxxx>
---
 mm/memcontrol-v1.h | 2 --
 1 file changed, 2 deletions(-)

diff --git a/mm/memcontrol-v1.h b/mm/memcontrol-v1.h
index 56d7eaa982741..db2ebf8bea6c5 100644
--- a/mm/memcontrol-v1.h
+++ b/mm/memcontrol-v1.h
@@ -140,8 +140,6 @@ static inline bool memcg1_charge_skmem(struct mem_cgroup *memcg, unsigned int nr
 				       gfp_t gfp_mask) { return true; }
 static inline void memcg1_uncharge_skmem(struct mem_cgroup *memcg, unsigned int nr_pages) {}
 
-extern struct cftype memsw_files[];
-extern struct cftype mem_cgroup_legacy_files[];
 #endif	/* CONFIG_MEMCG_V1 */
 
 #endif	/* __MM_MEMCONTROL_V1_H */
-- 
2.46.0





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