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