NODE_COMPACT
{0, 0, NODE_COMPACT, 1000, 0, 1, 0, 0, "sync: percpu objpool"},
{0, 0, NODE_COMPACT, 1000, 0, 1, 1, 4, "sync & hrtimer: percpu objpool"},
{0, 0, NODE_COMPACT, 1000, 0, 16, 0, 0, "sync overrun: percpu objpool"},
{1, 0, NODE_COMPACT, 1000, 100, 1, 0, 0, "async: percpu objpool"},
{1, 0, NODE_COMPACT, 1000, 0, 4, 4, 4, "async & hrtimer: percpu objpool"},