[PATCH -next] mm/memcontrol.c: remove unused private flag of memory.oom_control

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There is no use for the private value, __OOM_TYPE and OOM notifier
OOM_CONTROL. Therefore remove them to make the code clean.

Signed-off-by: Lu Jialin <lujialin4@xxxxxxxxxx>
---
 mm/memcontrol.c | 4 ----
 1 file changed, 4 deletions(-)

diff --git a/mm/memcontrol.c b/mm/memcontrol.c
index 725f76723220..3aea256bfe7a 100644
--- a/mm/memcontrol.c
+++ b/mm/memcontrol.c
@@ -209,7 +209,6 @@ static struct move_charge_struct {
 enum res_type {
 	_MEM,
 	_MEMSWAP,
-	_OOM_TYPE,
 	_KMEM,
 	_TCP,
 };
@@ -217,8 +216,6 @@ enum res_type {
 #define MEMFILE_PRIVATE(x, val)	((x) << 16 | (val))
 #define MEMFILE_TYPE(val)	((val) >> 16 & 0xffff)
 #define MEMFILE_ATTR(val)	((val) & 0xffff)
-/* Used for OOM notifier */
-#define OOM_CONTROL		(0)
 
 /*
  * Iteration constructs for visiting all cgroups (under a tree).  If
@@ -4883,7 +4880,6 @@ static struct cftype mem_cgroup_legacy_files[] = {
 		.name = "oom_control",
 		.seq_show = mem_cgroup_oom_control_read,
 		.write_u64 = mem_cgroup_oom_control_write,
-		.private = MEMFILE_PRIVATE(_OOM_TYPE, OOM_CONTROL),
 	},
 	{
 		.name = "pressure_level",
-- 
2.17.1




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