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mm/memcontrol.c: remove unused private flag of memory.oom_control 

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

Link: https://lkml.kernel.org/r/20220421122755.40899-1-lujialin4@huawei.com
Signed-off-by: Lu Jialin <lujialin4@huawei.com>
Acked-by: Johannes Weiner <hannes@cmpxchg.org>
Acked-by: Shakeel Butt <shakeelb@google.com>
Acked-by: Roman Gushchin <roman.gushchin@linux.dev>
Cc: Michal Hocko <mhocko@suse.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
This commit is contained in:
Lu Jialin 2022-04-28 23:16:00 -07:00 committed by akpm
parent ef7a4ffc4c
commit 9707aff701
1 changed files with 0 additions and 4 deletions
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4
mm/memcontrol.c
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@ -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
@ -4887,7 +4884,6 @@ 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",