linux/include/xen/balloon.h

/* SPDX-License-Identifier: GPL-2.0 */
/******************************************************************************
 * Xen balloon functionality
 */
#ifndef _XEN_BALLOON_H
#define _XEN_BALLOON_H

#define RETRY_UNLIMITED …

struct balloon_stats { … };

extern struct balloon_stats balloon_stats;

void balloon_set_new_target(unsigned long target);

int xen_alloc_ballooned_pages(unsigned int nr_pages, struct page **pages);
void xen_free_ballooned_pages(unsigned int nr_pages, struct page **pages);

#ifdef CONFIG_XEN_BALLOON
void xen_balloon_init(void);
#else
static inline void xen_balloon_init(void)
{
}
#endif

#endif	/* _XEN_BALLOON_H */