Commit 9707aff7 authored by Lu Jialin's avatar Lu Jialin Committed by Andrew Morton
Browse files

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: default avatarLu Jialin <lujialin4@huawei.com>
Acked-by: default avatarJohannes Weiner <hannes@cmpxchg.org>
Acked-by: default avatarShakeel Butt <shakeelb@google.com>
Acked-by: default avatarRoman Gushchin <roman.gushchin@linux.dev>
Cc: Michal Hocko <mhocko@suse.com>
Signed-off-by: default avatarAndrew Morton <akpm@linux-foundation.org>
parent ef7a4ffc

mm/memcontrol.c

+0 −4
Original line number Diff line number Diff line
@@ -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",