public function get_total_stock() {
		wc_deprecated_function( 'WC_Product::get_total_stock', '3.0', 'get_stock_quantity on each child. Beware of performance issues in doing so.' );
		if ( sizeof( $this->get_children() ) > 0 ) {
			$total_stock = max( 0, $this->get_stock_quantity() );

			foreach ( $this->get_children() as $child_id ) {
				if ( 'yes' === get_post_meta( $child_id, '_manage_stock', true ) ) {
					$stock = get_post_meta( $child_id, '_stock', true );
					$total_stock += max( 0, wc_stock_amount( $stock ) );
				}
			}
		} else {
			$total_stock = $this->get_stock_quantity();
		}
		return wc_stock_amount( $total_stock );
	}