> This patch introduces kmem.tcp.failcnt file, living in the
> kmem_cgroup filesystem. Following the pattern in the other
> memcg resources, this files keeps a counter of how many times
> allocation failed due to limits being hit in this cgroup.
> The root cgroup will always show a failcnt of 0.
>
> Signed-off-by: Glauber Costa <glommer@parallels.com>
> CC: David S. Miller <davem@davemloft.net>
> CC: Hiroyouki Kamezawa <kamezawa.hiroyu@jp.fujitsu.com>
> CC: Eric W. Biederman <ebiederm@xmission.com>