projects / deliverable / linux.git / blame
| Commit | Line | Data |
|---|---|---|
| faca2ef7 DM |
1 | /* |
| 2 | * zbud.h | |
| 3 | * | |
| 4 | * Copyright (c) 2010-2012, Dan Magenheimer, Oracle Corp. | |
| 5 | * | |
| 6 | */ | |
| 7 | ||
| 8 | #ifndef _ZBUD_H_ | |
| 9 | #define _ZBUD_H_ | |
| 10 | ||
| 11 | #include "tmem.h" | |
| 12 | ||
| 13 | struct zbudref; | |
| 14 | ||
| 15 | extern unsigned int zbud_max_buddy_size(void); | |
| 16 | extern struct zbudref *zbud_match_prep(struct tmem_handle *th, bool eph, | |
| 17 | void *cdata, unsigned size); | |
| 18 | extern struct zbudref *zbud_create_prep(struct tmem_handle *th, bool eph, | |
| 19 | void *cdata, unsigned size, | |
| 20 | struct page *newpage); | |
| 21 | extern void zbud_create_finish(struct zbudref *, bool); | |
| 22 | extern int zbud_decompress(struct page *, struct zbudref *, bool, | |
| 23 | void (*func)(char *, unsigned int, char *)); | |
| 24 | extern int zbud_copy_from_zbud(char *, struct zbudref *, size_t *, bool); | |
| 25 | extern int zbud_copy_to_zbud(struct zbudref *, char *, bool); | |
| 26 | extern struct page *zbud_free_and_delist(struct zbudref *, bool eph, | |
| 27 | unsigned int *, unsigned int *); | |
| 28 | extern struct page *zbud_evict_pageframe_lru(unsigned int *, unsigned int *); | |
| 29 | extern unsigned int zbud_make_zombie_lru(struct tmem_handle *, unsigned char **, | |
| 30 | unsigned int *, bool); | |
| 31 | extern void zbud_init(void); | |
| 32 | ||
| 33 | #endif /* _ZBUD_H_ */ |