cgroup_pidlist_find

Name:d the appropriate pidlist for our purpose (given procs vs tasks)* returns with the lock on that pidlist already held, and takes care* of the use count, or returns NULL with no locks held if we're out of* memory.

Proto:static struct cgroup_pidlist *cgroup_pidlist_find_create(struct cgroup *cgrp, enum cgroup_filetype type)

Type:struct cgroup_pidlist

Parameter:

Type	Parameter	Name
struct cgroup *	cgrp
enum cgroup_filetype	type

307

lockdep_assert_held( & pidlist_mutex)

309

l = cgroup_pidlist_find(cgrp, type)

310

If l Then Return l

314

l = kzalloc - allocate memory. The memory is set to zero.*@size: how many bytes of memory are required.*@flags: the type of memory to allocate (see kmalloc).

315

If Not l Then Return l

318

INIT_DELAYED_WORK( & r delayed destruction , cgroup_pidlist_destroy_work_fn)

319

type = type

321

ns = get_pid_ns(task_active_pid_ns(current process))

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pointer to the cgroup we belong to, for list removal purposes = cgrp

323

list_add - add a new entry*@new: new entry to be added*@head: list head to add it after* Insert a new entry after the specified head.* This is good for implementing stacks.

324

Return l

**Caller**
Name	Describe
pidlist_array_load	Load a cgroup's pidarray with either procs' tgids or tasks' pids

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