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vm: fix isolate max_map_count, inherit the value of the parent namespace instead 

Signed-off-by: Xiaoming Gao <newtongao@tencent.com>
This commit is contained in:
Xiaoming Gao 2020-01-21 12:08:58 +08:00
parent f9a96d3888
commit f540f245de
1 changed files with 1 additions and 1 deletions
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2
kernel/pid_namespace.c
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@ -137,7 +137,7 @@ static struct pid_namespace *create_pid_namespace(struct user_namespace *user_ns
ns->user_ns = get_user_ns(user_ns);
ns->ucounts = ucounts;
ns->nr_hashed = PIDNS_HASH_ADDING;
ns->max_map_count = DEFAULT_MAX_MAP_COUNT;
ns->max_map_count = parent_pid_ns->max_map_count;
INIT_WORK(&ns->proc_work, proc_cleanup_work);
set_bit(0, ns->pidmap[0].page);