forked from Minki/linux
cgroup: cosmetic update to cgroup_taskset_add()
cgroup_taskset_add() was using list_add_tail() when for source csets but list_move_tail() for destination. As the operations are gated by list_empty() test, list_move_tail() is equivalent to list_add_tail() here. Use list_add_tail() too for destination csets too. This doesn't cause any functional changes. Signed-off-by: Tejun Heo <tj@kernel.org> Acked-by: Zefan Li <lizefan@huawei.com>
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@ -1980,8 +1980,8 @@ static void cgroup_taskset_add(struct task_struct *task,
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if (list_empty(&cset->mg_node))
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list_add_tail(&cset->mg_node, &tset->src_csets);
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if (list_empty(&cset->mg_dst_cset->mg_node))
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list_move_tail(&cset->mg_dst_cset->mg_node,
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&tset->dst_csets);
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list_add_tail(&cset->mg_dst_cset->mg_node,
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&tset->dst_csets);
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}
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/**
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