balloon.c File Reference

#include <linux/kernel.h>
#include <linux/sched.h>
#include <linux/errno.h>
#include <linux/module.h>
#include <linux/mm.h>
#include <linux/bootmem.h>
#include <linux/pagemap.h>
#include <linux/highmem.h>
#include <linux/mutex.h>
#include <linux/list.h>
#include <linux/gfp.h>
#include <linux/notifier.h>
#include <linux/memory.h>
#include <linux/memory_hotplug.h>
#include <asm/page.h>
#include <asm/pgalloc.h>
#include <asm/pgtable.h>
#include <asm/tlb.h>
#include <asm/xen/hypervisor.h>
#include <asm/xen/hypercall.h>
#include <xen/xen.h>
#include <xen/interface/xen.h>
#include <xen/interface/memory.h>
#include <xen/balloon.h>
#include <xen/features.h>
#include <xen/page.h>

Go to the source code of this file.

Macros
#define	inc_totalhigh_pages()   do {} while (0)
#define	dec_totalhigh_pages()   do {} while (0)
#define	GFP_BALLOON   (GFP_HIGHUSER | __GFP_NOWARN | __GFP_NORETRY | __GFP_NOMEMALLOC)

Enumerations
enum	bp_state { BP_DONE, BP_EAGAIN, BP_ECANCELED }

Functions
	EXPORT_SYMBOL_GPL (balloon_stats)
void	balloon_set_new_target (unsigned long target)
	EXPORT_SYMBOL_GPL (balloon_set_new_target)
int	alloc_xenballooned_pages (int nr_pages, struct page **pages, bool highmem)
	EXPORT_SYMBOL (alloc_xenballooned_pages)
void	free_xenballooned_pages (int nr_pages, struct page **pages)
	EXPORT_SYMBOL (free_xenballooned_pages)
	subsys_initcall (balloon_init)
	MODULE_LICENSE ("GPL")

Variables
struct balloon_stats	balloon_stats

Macro Definition Documentation

#define dec_totalhigh_pages

(

)

do {} while (0)

Definition at line 97 of file balloon.c.

#define GFP_BALLOON   (GFP_HIGHUSER | __GFP_NOWARN | __GFP_NORETRY | __GFP_NOMEMALLOC)

Definition at line 109 of file balloon.c.

#define inc_totalhigh_pages

(

)

do {} while (0)

Definition at line 96 of file balloon.c.

Enumeration Type Documentation

enum bp_state

Enumerator:

BP_DONE
BP_EAGAIN
BP_ECANCELED

Definition at line 77 of file balloon.c.

Function Documentation

int alloc_xenballooned_pages	(	int	nr_pages,
		struct page **	pages,
		bool	highmem
	)

alloc_xenballooned_pages - get pages that have been ballooned out : Number of pages to get : pages returned : allow highmem pages

Returns

0 on success, error otherwise

Definition at line 506 of file balloon.c.

void balloon_set_new_target

(

unsigned long

target

)

Definition at line 491 of file balloon.c.

EXPORT_SYMBOL

(

alloc_xenballooned_pages

)

EXPORT_SYMBOL

(

free_xenballooned_pages

)

EXPORT_SYMBOL_GPL

(

balloon_stats

)

EXPORT_SYMBOL_GPL

(

balloon_set_new_target

)

void free_xenballooned_pages	(	int	nr_pages,
		struct page **	pages
	)

free_xenballooned_pages - return pages retrieved with get_ballooned_pages : Number of pages : pages to return

Definition at line 542 of file balloon.c.

MODULE_LICENSE

(

"GPL"

)

subsys_initcall

(

balloon_init

)

Variable Documentation

struct balloon_stats balloon_stats

Definition at line 86 of file balloon.c.