[PATCH] mm/memcg: no one use charge_type

[Alex Shi]

After commit 0a31bc97c80c3f mm: memcontrol: rewrite uncharge API, no one
using MEM_CGROUP_CHARGE_TYPE_xxx, let's remove them.

Signed-off-by: Alex Shi <alex.shi@xxxxxxxxxxxxxxxxx>
Cc: Johannes Weiner <hannes@xxxxxxxxxxx> 
Cc: Michal Hocko <mhocko@xxxxxxxxxx> 
Cc: Vladimir Davydov <vdavydov.dev@xxxxxxxxx> 
Cc: Andrew Morton <akpm@xxxxxxxxxxxxxxxxxxxx> 
Cc: cgroups@xxxxxxxxxxxxxxx 
Cc: linux-mm@xxxxxxxxx 
Cc: linux-kernel@xxxxxxxxxxxxxxx 
---
 mm/memcontrol.c | 8 --------
 1 file changed, 8 deletions(-)

diff --git a/mm/memcontrol.c b/mm/memcontrol.c
index 5d52b8a88bea..d925905920bf 100644
--- a/mm/memcontrol.c
+++ b/mm/memcontrol.c
@@ -199,14 +199,6 @@ struct mem_cgroup_event {
 #define	MEM_CGROUP_MAX_RECLAIM_LOOPS		100
 #define	MEM_CGROUP_MAX_SOFT_LIMIT_RECLAIM_LOOPS	2
 
-enum charge_type {
-	MEM_CGROUP_CHARGE_TYPE_CACHE = 0,
-	MEM_CGROUP_CHARGE_TYPE_ANON,
-	MEM_CGROUP_CHARGE_TYPE_SWAPOUT,	/* for accounting swapcache */
-	MEM_CGROUP_CHARGE_TYPE_DROP,	/* a page was unused swap cache */
-	NR_CHARGE_TYPE,
-};
-
 /* for encoding cft->private value on file */
 enum res_type {
 	_MEM,
-- 
1.8.3.1