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Linux kernel mirror (for testing)
git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git
kernel
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linux
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
13struct zbudref;
14
15extern unsigned int zbud_max_buddy_size(void);
16extern struct zbudref *zbud_match_prep(struct tmem_handle *th, bool eph,
17 void *cdata, unsigned size);
18extern struct zbudref *zbud_create_prep(struct tmem_handle *th, bool eph,
19 void *cdata, unsigned size,
20 struct page *newpage);
21extern void zbud_create_finish(struct zbudref *, bool);
22extern int zbud_decompress(struct page *, struct zbudref *, bool,
23 void (*func)(char *, unsigned int, char *));
24extern int zbud_copy_from_zbud(char *, struct zbudref *, size_t *, bool);
25extern int zbud_copy_to_zbud(struct zbudref *, char *, bool);
26extern struct page *zbud_free_and_delist(struct zbudref *, bool eph,
27 unsigned int *, unsigned int *);
28extern struct page *zbud_evict_pageframe_lru(unsigned int *, unsigned int *);
29extern unsigned int zbud_make_zombie_lru(struct tmem_handle *, unsigned char **,
30 unsigned int *, bool);
31extern void zbud_init(void);
32
33#endif /* _ZBUD_H_ */