Re: [Xen-devel] [PATCH] xen/balloon: don't online new memory initially

[Jan Beulich]

>>> On 03.07.17 at 17:40, <jgross@xxxxxxxx> wrote:
> --- a/drivers/xen/xen-balloon.c
> +++ b/drivers/xen/xen-balloon.c
> @@ -59,6 +59,8 @@ static void watch_target(struct xenbus_watch *watch,
>  {
>  	unsigned long long new_target;
>  	int err;
> +	static bool watch_fired;
> +	static unsigned long target_diff;

It would seem to me that the types of target_diff and new_target
should match in width, but differ in signedness.

Jan