summaryrefslogtreecommitdiff
path: root/mm/memcontrol.c
diff options
context:
space:
mode:
Diffstat (limited to 'mm/memcontrol.c')
-rw-r--r--mm/memcontrol.c6
1 files changed, 3 insertions, 3 deletions
diff --git a/mm/memcontrol.c b/mm/memcontrol.c
index 5abffe6f8389..06821e5f7604 100644
--- a/mm/memcontrol.c
+++ b/mm/memcontrol.c
@@ -2067,7 +2067,7 @@ struct mem_cgroup *mem_cgroup_get_oom_group(struct task_struct *victim,
* highest-level memory cgroup with oom.group set.
*/
for (; memcg; memcg = parent_mem_cgroup(memcg)) {
- if (memcg->oom_group)
+ if (READ_ONCE(memcg->oom_group))
oom_group = memcg;
if (memcg == oom_domain)
@@ -6623,7 +6623,7 @@ static int memory_oom_group_show(struct seq_file *m, void *v)
{
struct mem_cgroup *memcg = mem_cgroup_from_seq(m);
- seq_printf(m, "%d\n", memcg->oom_group);
+ seq_printf(m, "%d\n", READ_ONCE(memcg->oom_group));
return 0;
}
@@ -6645,7 +6645,7 @@ static ssize_t memory_oom_group_write(struct kernfs_open_file *of,
if (oom_group != 0 && oom_group != 1)
return -EINVAL;
- memcg->oom_group = oom_group;
+ WRITE_ONCE(memcg->oom_group, oom_group);
return nbytes;
}