case size <= 8<<10:
		return http2dataChunkPools[3].Get().(*[8 << 10]byte)[:]
	default:
		return http2dataChunkPools[4].Get().(*[16 << 10]byte)[:]
	}
}

func http2putDataBufferChunk(p []byte) {
	switch len(p) {
	case 1 << 10:
		http2dataChunkPools[0].Put((*[1 << 10]byte)(p))
	case 2 << 10:
		http2dataChunkPools[1].Put((*[2 << 10]byte)(p))
	case 4 << 10: