selftests: cgroup: Simplify task self migration
authorMichal Koutný <mkoutny@suse.com>
Fri, 4 Oct 2019 10:57:41 +0000 (12:57 +0200)
committerTejun Heo <tj@kernel.org>
Mon, 7 Oct 2019 14:11:54 +0000 (07:11 -0700)
commit58c9f75b86f76895b9dd44f21dc1e37d0f477cc7
tree8bf68c62b3f6973e0ccc89da290522085855e11e
parent9a3284fad42f66bb43629c6716709ff791aaa457
selftests: cgroup: Simplify task self migration

Simplify task migration by being oblivious about its PID during
migration. This allows to easily migrate individual threads as well.
This change brings no functional change and prepares grounds for thread
granularity migrating tests.

Signed-off-by: Michal Koutný <mkoutny@suse.com>
Signed-off-by: Tejun Heo <tj@kernel.org>
tools/testing/selftests/cgroup/cgroup_util.c
tools/testing/selftests/cgroup/cgroup_util.h
tools/testing/selftests/cgroup/test_freezer.c