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 | |
16 | typedef struct arena_slab_data_s arena_slab_data_t; |
17 | typedef struct arena_decay_s arena_decay_t; |
18 | typedef struct arena_s arena_t; |
19 | typedef struct arena_tdata_s arena_tdata_t; |
20 | typedef struct alloc_ctx_s alloc_ctx_t; |
21 | |
22 | typedef 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 | |