1#ifndef JEMALLOC_INTERNAL_ARENA_TYPES_H
2#define JEMALLOC_INTERNAL_ARENA_TYPES_H
3
4#include "jemalloc/internal/sc.h"
5
6/* Maximum number of regions in one slab. */
7#define LG_SLAB_MAXREGS (LG_PAGE - SC_LG_TINY_MIN)
8#define SLAB_MAXREGS (1U << LG_SLAB_MAXREGS)
9
10/* Default decay times in milliseconds. */
11#define DIRTY_DECAY_MS_DEFAULT ZD(10 * 1000)
12#define MUZZY_DECAY_MS_DEFAULT (0)
13/* Number of event ticks between time checks. */
14#define DECAY_NTICKS_PER_UPDATE 1000
15
16typedef struct arena_slab_data_s arena_slab_data_t;
17typedef struct arena_decay_s arena_decay_t;
18typedef struct arena_s arena_t;
19typedef struct arena_tdata_s arena_tdata_t;
20typedef struct alloc_ctx_s alloc_ctx_t;
21
22typedef enum {
23 percpu_arena_mode_names_base = 0, /* Used for options processing. */
24
25 /*
26 * *_uninit are used only during bootstrapping, and must correspond
27 * to initialized variant plus percpu_arena_mode_enabled_base.
28 */
29 percpu_arena_uninit = 0,
30 per_phycpu_arena_uninit = 1,
31
32 /* All non-disabled modes must come after percpu_arena_disabled. */
33 percpu_arena_disabled = 2,
34
35 percpu_arena_mode_names_limit = 3, /* Used for options processing. */
36 percpu_arena_mode_enabled_base = 3,
37
38 percpu_arena = 3,
39 per_phycpu_arena = 4 /* Hyper threads share arena. */
40} percpu_arena_mode_t;
41
42#define PERCPU_ARENA_ENABLED(m) ((m) >= percpu_arena_mode_enabled_base)
43#define PERCPU_ARENA_DEFAULT percpu_arena_disabled
44
45/*
46 * When allocation_size >= oversize_threshold, use the dedicated huge arena
47 * (unless have explicitly spicified arena index). 0 disables the feature.
48 */
49#define OVERSIZE_THRESHOLD_DEFAULT (8 << 20)
50
51#endif /* JEMALLOC_INTERNAL_ARENA_TYPES_H */
52