mem_cgroup_under

Name:A routine for checking "mem" is under move_account() or not.* Checking a cgroup is mc.from or mc.to or under hierarchy of* moving cgroups. This is for waiting at high-memory pressure* caused by "move".

Proto:static bool mem_cgroup_under_move(struct mem_cgroup *memcg)

Type:bool

Parameter:

Type	Parameter	Name
struct mem_cgroup *	memcg

1323

bool ret = false

1328

spin_lock( & r from, to )

1329

from = from

1330

to = to

1331

If Not from Then Go to unlock

1334

ret = mem_cgroup_is_descendant(from, memcg) || mem_cgroup_is_descendant(to, memcg)

1336

unlock :

1337

spin_unlock( & r from, to )

1338

Return ret

**Caller**
Name	Describe
mem_cgroup_wait_acct_move

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