Re: [Qemu-devel] [PATCH v9 3/5] mm: function to offer a page block on the free list

[Matthew Wilcox]

On Fri, Apr 14, 2017 at 10:30:27AM +0800, Wei Wang wrote:
> OK. What do you think if we add this:
> 
> #if defined(CONFIG_VIRTIO_BALLOON) || defined(CONFIG_VIRTIO_BALLOON_MODULE)

That's spelled "IS_ENABLED(CONFIG_VIRTIO_BALLOON)", FYI.