tree 25231ef1d676fab8edfeb091daeb6354921c42f8
parent a0f07aae54e87a9fad6d19c0e57398f54d858f06
author Colin Cross <ccross@android.com> 1290577023 -0800
committer Colin Cross <ccross@android.com> 1308067780 -0700

cgroup: Set CGRP_RELEASABLE when adding to a cgroup

Changes the meaning of CGRP_RELEASABLE to be set on any cgroup
that has ever had a task or cgroup in it, or had css_get called
on it.  The bit is set in cgroup_attach_task, cgroup_create,
and __css_get.  It is not necessary to set the bit in
cgroup_fork, as the task is either in the root cgroup, in
which can never be released, or the task it was forked from
already set the bit in croup_attach_task.

Signed-off-by: Colin Cross <ccross@android.com>