mirror of
https://github.com/AuxXxilium/linux_dsm_epyc7002.git
synced 2024-12-04 02:16:45 +07:00
aecb2016c9
In order to protect against the header being included multiple times on the same compilation unit. Signed-off-by: Roger Pau Monné <roger.pau@citrix.com> Reviewed-by: Boris Ostrovsky <boris.ostrovsky@oracle.com> Link: https://lore.kernel.org/r/20200901083326.21264-2-roger.pau@citrix.com Signed-off-by: Juergen Gross <jgross@suse.com>
41 lines
1.0 KiB
C
41 lines
1.0 KiB
C
/* SPDX-License-Identifier: GPL-2.0 */
|
|
/******************************************************************************
|
|
* Xen balloon functionality
|
|
*/
|
|
#ifndef _XEN_BALLOON_H
|
|
#define _XEN_BALLOON_H
|
|
|
|
#define RETRY_UNLIMITED 0
|
|
|
|
struct balloon_stats {
|
|
/* We aim for 'current allocation' == 'target allocation'. */
|
|
unsigned long current_pages;
|
|
unsigned long target_pages;
|
|
unsigned long target_unpopulated;
|
|
/* Number of pages in high- and low-memory balloons. */
|
|
unsigned long balloon_low;
|
|
unsigned long balloon_high;
|
|
unsigned long total_pages;
|
|
unsigned long schedule_delay;
|
|
unsigned long max_schedule_delay;
|
|
unsigned long retry_count;
|
|
unsigned long max_retry_count;
|
|
};
|
|
|
|
extern struct balloon_stats balloon_stats;
|
|
|
|
void balloon_set_new_target(unsigned long target);
|
|
|
|
int alloc_xenballooned_pages(int nr_pages, struct page **pages);
|
|
void free_xenballooned_pages(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 */
|