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authorTejun Heo <tj@kernel.org>2012-11-05 09:16:59 -0800
committerTejun Heo <tj@kernel.org>2012-11-05 09:16:59 -0800
commitb25ed609d0eecf077db607e88ea70bae83b6adb2 (patch)
treeba6d9f2b6d1f0a389acb5a52cd4498c0f5ee6060 /include/linux/input/matrix_keypad.h
parent1a90dd508b0b00e382fd61a46f55dc889ac21b39 (diff)
downloadblackbird-op-linux-b25ed609d0eecf077db607e88ea70bae83b6adb2.tar.gz
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cgroup: remove CGRP_WAIT_ON_RMDIR, cgroup_exclude_rmdir() and cgroup_release_and_wakeup_rmdir()
CGRP_WAIT_ON_RMDIR is another kludge which was added to make cgroup destruction rollback somewhat working. cgroup_rmdir() used to drain CSS references and CGRP_WAIT_ON_RMDIR and the associated waitqueue and helpers were used to allow the task performing rmdir to wait for the next relevant event. Unfortunately, the wait is visible to controllers too and the mechanism got exposed to memcg by 887032670d ("cgroup avoid permanent sleep at rmdir"). Now that the draining and retries are gone, CGRP_WAIT_ON_RMDIR is unnecessary. Remove it and all the mechanisms supporting it. Note that memcontrol.c changes are essentially revert of 887032670d ("cgroup avoid permanent sleep at rmdir"). Signed-off-by: Tejun Heo <tj@kernel.org> Reviewed-by: Michal Hocko <mhocko@suse.cz> Reviewed-by: KAMEZAWA Hiroyuki <kamezawa.hiroyu@jp.fujitsu.com> Acked-by: Li Zefan <lizefan@huawei.com> Cc: Balbir Singh <bsingharora@gmail.com>
Diffstat (limited to 'include/linux/input/matrix_keypad.h')
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