From 93aa7d95248d04b934eb8e89717c7b8d6400bf2b Mon Sep 17 00:00:00 2001 From: Vladimir Davydov Date: Wed, 11 Feb 2015 15:24:59 -0800 Subject: [PATCH] swap: remove unused mem_cgroup_uncharge_swapcache declaration The body of this function was removed by commit 0a31bc97c80c ("mm: memcontrol: rewrite uncharge API"). Signed-off-by: Vladimir Davydov Acked-by: Michal Hocko Acked-by: Johannes Weiner Signed-off-by: Andrew Morton Signed-off-by: Linus Torvalds --- include/linux/swap.h | 15 --------------- mm/shmem.c | 2 +- 2 files changed, 1 insertion(+), 16 deletions(-) diff --git a/include/linux/swap.h b/include/linux/swap.h index 34e8b60ab973..7067eca501e2 100644 --- a/include/linux/swap.h +++ b/include/linux/swap.h @@ -437,16 +437,6 @@ extern int reuse_swap_page(struct page *); extern int try_to_free_swap(struct page *); struct backing_dev_info; -#ifdef CONFIG_MEMCG -extern void -mem_cgroup_uncharge_swapcache(struct page *page, swp_entry_t ent, bool swapout); -#else -static inline void -mem_cgroup_uncharge_swapcache(struct page *page, swp_entry_t ent, bool swapout) -{ -} -#endif - #else /* CONFIG_SWAP */ #define swap_address_space(entry) (NULL) @@ -547,11 +537,6 @@ static inline swp_entry_t get_swap_page(void) return entry; } -static inline void -mem_cgroup_uncharge_swapcache(struct page *page, swp_entry_t ent) -{ -} - #endif /* CONFIG_SWAP */ #endif /* __KERNEL__*/ #endif /* _LINUX_SWAP_H */ diff --git a/mm/shmem.c b/mm/shmem.c index b3e403181981..864c878401e6 100644 --- a/mm/shmem.c +++ b/mm/shmem.c @@ -1131,7 +1131,7 @@ repeat: * truncated or holepunched since swap was confirmed. * shmem_undo_range() will have done some of the * unaccounting, now delete_from_swap_cache() will do - * the rest (including mem_cgroup_uncharge_swapcache). + * the rest. * Reset swap.val? No, leave it so "failed" goes back to * "repeat": reading a hole and writing should succeed. */ -- 2.20.1