Contributors: 13
| Author |
Tokens |
Token Proportion |
Commits |
Commit Proportion |
| Peter Xu |
108 |
29.19% |
5 |
22.73% |
| David Hildenbrand |
62 |
16.76% |
5 |
22.73% |
| Mike Rapoport |
60 |
16.22% |
1 |
4.55% |
| Muhammad Usama Anjum |
43 |
11.62% |
1 |
4.55% |
| Zach O'Keefe |
29 |
7.84% |
2 |
9.09% |
| Konstantin Khlebnikov |
21 |
5.68% |
1 |
4.55% |
| Zi Yan |
20 |
5.41% |
1 |
4.55% |
| Zhansaya Bagdauletkyzy |
6 |
1.62% |
1 |
4.55% |
| Andi Kleen |
6 |
1.62% |
1 |
4.55% |
| Aneesh Kumar K.V |
5 |
1.35% |
1 |
4.55% |
| Pedro Demarchi Gomes |
4 |
1.08% |
1 |
4.55% |
| Kirill A. Shutemov |
3 |
0.81% |
1 |
4.55% |
| Breno Leitão |
3 |
0.81% |
1 |
4.55% |
| Total |
370 |
|
22 |
|
/* SPDX-License-Identifier: GPL-2.0 */
#include <stdint.h>
#include <stdbool.h>
#include <sys/mman.h>
#include <err.h>
#include <string.h> /* ffsl() */
#include <unistd.h> /* _SC_PAGESIZE */
#define BIT_ULL(nr) (1ULL << (nr))
#define PM_SOFT_DIRTY BIT_ULL(55)
#define PM_MMAP_EXCLUSIVE BIT_ULL(56)
#define PM_UFFD_WP BIT_ULL(57)
#define PM_FILE BIT_ULL(61)
#define PM_SWAP BIT_ULL(62)
#define PM_PRESENT BIT_ULL(63)
extern unsigned int __page_size;
extern unsigned int __page_shift;
static inline unsigned int psize(void)
{
if (!__page_size)
__page_size = sysconf(_SC_PAGESIZE);
return __page_size;
}
static inline unsigned int pshift(void)
{
if (!__page_shift)
__page_shift = (ffsl(psize()) - 1);
return __page_shift;
}
uint64_t pagemap_get_entry(int fd, char *start);
bool pagemap_is_softdirty(int fd, char *start);
bool pagemap_is_swapped(int fd, char *start);
bool pagemap_is_populated(int fd, char *start);
unsigned long pagemap_get_pfn(int fd, char *start);
void clear_softdirty(void);
bool check_for_pattern(FILE *fp, const char *pattern, char *buf, size_t len);
uint64_t read_pmd_pagesize(void);
bool check_huge_anon(void *addr, int nr_hpages, uint64_t hpage_size);
bool check_huge_file(void *addr, int nr_hpages, uint64_t hpage_size);
bool check_huge_shmem(void *addr, int nr_hpages, uint64_t hpage_size);
int64_t allocate_transhuge(void *ptr, int pagemap_fd);
unsigned long default_huge_page_size(void);
int detect_hugetlb_page_sizes(size_t sizes[], int max);
int uffd_register(int uffd, void *addr, uint64_t len,
bool miss, bool wp, bool minor);
int uffd_unregister(int uffd, void *addr, uint64_t len);
int uffd_register_with_ioctls(int uffd, void *addr, uint64_t len,
bool miss, bool wp, bool minor, uint64_t *ioctls);
unsigned long get_free_hugepages(void);
/*
* On ppc64 this will only work with radix 2M hugepage size
*/
#define HPAGE_SHIFT 21
#define HPAGE_SIZE (1 << HPAGE_SHIFT)
#define PAGEMAP_PRESENT(ent) (((ent) & (1ull << 63)) != 0)
#define PAGEMAP_PFN(ent) ((ent) & ((1ull << 55) - 1))