[Xen-devel] Re: [RFC PATCH 32/33] Add the Xen virtual network device driver.

[David Miller <davem@xxxxxxxxxxxxx>]

From: Chris Wright <chrisw@xxxxxxxxxxxx>
Date: Tue, 18 Jul 2006 00:00:32 -0700

> +#ifdef CONFIG_XEN_BALLOON
> +#include <xen/balloon.h>
> +#endif

Let's put the ifdefs in xen/balloon.h not in the files
including it.

> +#ifdef CONFIG_XEN_BALLOON
> +     /* Tell the ballon driver what is going on. */
> +     balloon_update_driver_allowance(i);
> +#endif

Similarly let's define empty do-nothing functions in
xen/balloon.h when the config option isn't set so we
don't need to crap up the C sources with these ifdefs.

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