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Subject[PATCH TRIVIAL] swap: remove unused mem_cgroup_uncharge_swapcache declaration
Date
The body of this function was removed by commit 0a31bc97c80c ("mm:
memcontrol: rewrite uncharge API").

Signed-off-by: Vladimir Davydov <vdavydov@parallels.com>
---
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 185836ba53ef..0c92e925c4bf 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.
*/
--
1.7.10.4


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