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#ifndef __CR_HUGETLB_H_
#define __CR_HUGETLB_H_
#include <sys/types.h>
#include <stddef.h>
#include "vma.h"
#define ANON_HUGEPAGE_PREFIX "/anon_hugepage"
#define ANON_HUGEPAGE_PREFIX_LEN (sizeof(ANON_HUGEPAGE_PREFIX) - 1)
enum hugepage_size {
HUGETLB_16KB,
HUGETLB_64KB,
HUGETLB_512KB,
HUGETLB_1MB,
HUGETLB_2MB,
HUGETLB_8MB,
HUGETLB_16MB,
HUGETLB_32MB,
HUGETLB_256MB,
HUGETLB_512MB,
HUGETLB_1GB,
HUGETLB_2GB,
HUGETLB_16GB,
HUGETLB_MAX
};
#define MAP_HUGETLB_SHIFT 26
#define MAP_HUGETLB_SIZE_MASK (0x3f << MAP_HUGETLB_SHIFT)
#define MAP_HUGETLB_16KB (14 << MAP_HUGETLB_SHIFT)
#define MAP_HUGETLB_64KB (16 << MAP_HUGETLB_SHIFT)
#define MAP_HUGETLB_512KB (19 << MAP_HUGETLB_SHIFT)
#define MAP_HUGETLB_1MB (20 << MAP_HUGETLB_SHIFT)
#define MAP_HUGETLB_2MB (21 << MAP_HUGETLB_SHIFT)
#define MAP_HUGETLB_8MB (23 << MAP_HUGETLB_SHIFT)
#define MAP_HUGETLB_16MB (24 << MAP_HUGETLB_SHIFT)
#define MAP_HUGETLB_32MB (25 << MAP_HUGETLB_SHIFT)
#define MAP_HUGETLB_256MB (28 << MAP_HUGETLB_SHIFT)
#define MAP_HUGETLB_512MB (29 << MAP_HUGETLB_SHIFT)
#define MAP_HUGETLB_1GB (30 << MAP_HUGETLB_SHIFT)
#define MAP_HUGETLB_2GB (31 << MAP_HUGETLB_SHIFT)
#define MAP_HUGETLB_16GB (34 << MAP_HUGETLB_SHIFT)
struct htlb_info {
unsigned long long size;
int flag;
};
extern struct htlb_info hugetlb_info[HUGETLB_MAX];
int is_hugetlb_dev(dev_t dev, int *hugetlb_size_flag);
int can_dump_with_memfd_hugetlb(dev_t dev, int *hugetlb_size_flag, const char *file_path, struct vma_area *vma);
unsigned long get_size_from_hugetlb_flag(int flag);
#ifndef MFD_HUGETLB
#define MFD_HUGETLB 4
#endif
#endif
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