criu/include/pagemap-cache.h
Cyrill Gorcunov 8bea49a74b pagemap-cache: Use page.h helpers
Signed-off-by: Cyrill Gorcunov <gorcunov@openvz.org>
Signed-off-by: Pavel Emelyanov <xemul@parallels.com>
2014-02-21 16:29:41 +04:00

30 lines
804 B
C

#ifndef __CR_PAGEMAP_H__
#define __CR_PAGEMAP_H__
#include <sys/types.h>
#include "asm-generic/page.h"
#include "asm/int.h"
#include "list.h"
struct vma_area;
#define PAGEMAP_PFN_OFF(addr) (PAGE_PFN(addr) * sizeof(u64))
typedef struct {
pid_t pid; /* which process it belongs */
unsigned long start; /* start of area */
unsigned long end; /* end of area */
struct list_head *vma_head; /* list head of VMAs we're serving */
u64 *map; /* local buffer */
size_t map_len; /* length of a buffer */
int fd; /* file to read PMs from */
} pmc_t;
#define PMC_INIT (pmc_t){ }
extern int pmc_init(pmc_t *pmc, pid_t pid, struct list_head *vma_head, size_t size);
extern u64 *pmc_get_map(pmc_t *pmc, struct vma_area *vma);
extern void pmc_fini(pmc_t *pmc);
#endif /* __CR_PAGEMAP_H__ */