3aba072cef
The global data is mostly only used at initialization, or for easy access to values we could compute statically. Instead of consuming that space (and risking TLB misses), we can just pass around a pointer to stack data during bootstrapping.
101 lines
4.6 KiB
C
101 lines
4.6 KiB
C
#ifndef JEMALLOC_INTERNAL_ARENA_EXTERNS_H
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#define JEMALLOC_INTERNAL_ARENA_EXTERNS_H
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#include "jemalloc/internal/bin.h"
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#include "jemalloc/internal/extent_dss.h"
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#include "jemalloc/internal/hook.h"
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#include "jemalloc/internal/pages.h"
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#include "jemalloc/internal/stats.h"
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extern ssize_t opt_dirty_decay_ms;
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extern ssize_t opt_muzzy_decay_ms;
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extern percpu_arena_mode_t opt_percpu_arena;
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extern const char *percpu_arena_mode_names[];
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extern const uint64_t h_steps[SMOOTHSTEP_NSTEPS];
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extern malloc_mutex_t arenas_lock;
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extern size_t opt_huge_threshold;
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extern size_t huge_threshold;
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void arena_basic_stats_merge(tsdn_t *tsdn, arena_t *arena,
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unsigned *nthreads, const char **dss, ssize_t *dirty_decay_ms,
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ssize_t *muzzy_decay_ms, size_t *nactive, size_t *ndirty, size_t *nmuzzy);
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void arena_stats_merge(tsdn_t *tsdn, arena_t *arena, unsigned *nthreads,
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const char **dss, ssize_t *dirty_decay_ms, ssize_t *muzzy_decay_ms,
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size_t *nactive, size_t *ndirty, size_t *nmuzzy, arena_stats_t *astats,
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bin_stats_t *bstats, arena_stats_large_t *lstats);
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void arena_extents_dirty_dalloc(tsdn_t *tsdn, arena_t *arena,
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extent_hooks_t **r_extent_hooks, extent_t *extent);
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#ifdef JEMALLOC_JET
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size_t arena_slab_regind(extent_t *slab, szind_t binind, const void *ptr);
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#endif
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extent_t *arena_extent_alloc_large(tsdn_t *tsdn, arena_t *arena,
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size_t usize, size_t alignment, bool *zero);
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void arena_extent_dalloc_large_prep(tsdn_t *tsdn, arena_t *arena,
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extent_t *extent);
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void arena_extent_ralloc_large_shrink(tsdn_t *tsdn, arena_t *arena,
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extent_t *extent, size_t oldsize);
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void arena_extent_ralloc_large_expand(tsdn_t *tsdn, arena_t *arena,
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extent_t *extent, size_t oldsize);
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ssize_t arena_dirty_decay_ms_get(arena_t *arena);
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bool arena_dirty_decay_ms_set(tsdn_t *tsdn, arena_t *arena, ssize_t decay_ms);
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ssize_t arena_muzzy_decay_ms_get(arena_t *arena);
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bool arena_muzzy_decay_ms_set(tsdn_t *tsdn, arena_t *arena, ssize_t decay_ms);
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void arena_decay(tsdn_t *tsdn, arena_t *arena, bool is_background_thread,
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bool all);
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void arena_reset(tsd_t *tsd, arena_t *arena);
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void arena_destroy(tsd_t *tsd, arena_t *arena);
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void arena_tcache_fill_small(tsdn_t *tsdn, arena_t *arena, tcache_t *tcache,
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cache_bin_t *tbin, szind_t binind, uint64_t prof_accumbytes);
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void arena_alloc_junk_small(void *ptr, const bin_info_t *bin_info,
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bool zero);
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typedef void (arena_dalloc_junk_small_t)(void *, const bin_info_t *);
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extern arena_dalloc_junk_small_t *JET_MUTABLE arena_dalloc_junk_small;
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void *arena_malloc_hard(tsdn_t *tsdn, arena_t *arena, size_t size,
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szind_t ind, bool zero);
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void *arena_palloc(tsdn_t *tsdn, arena_t *arena, size_t usize,
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size_t alignment, bool zero, tcache_t *tcache);
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void arena_prof_promote(tsdn_t *tsdn, const void *ptr, size_t usize);
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void arena_dalloc_promoted(tsdn_t *tsdn, void *ptr, tcache_t *tcache,
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bool slow_path);
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void arena_dalloc_bin_junked_locked(tsdn_t *tsdn, arena_t *arena,
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extent_t *extent, void *ptr);
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void arena_dalloc_small(tsdn_t *tsdn, void *ptr);
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bool arena_ralloc_no_move(tsdn_t *tsdn, void *ptr, size_t oldsize, size_t size,
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size_t extra, bool zero, size_t *newsize);
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void *arena_ralloc(tsdn_t *tsdn, arena_t *arena, void *ptr, size_t oldsize,
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size_t size, size_t alignment, bool zero, tcache_t *tcache,
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hook_ralloc_args_t *hook_args);
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dss_prec_t arena_dss_prec_get(arena_t *arena);
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bool arena_dss_prec_set(arena_t *arena, dss_prec_t dss_prec);
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ssize_t arena_dirty_decay_ms_default_get(void);
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bool arena_dirty_decay_ms_default_set(ssize_t decay_ms);
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ssize_t arena_muzzy_decay_ms_default_get(void);
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bool arena_muzzy_decay_ms_default_set(ssize_t decay_ms);
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bool arena_retain_grow_limit_get_set(tsd_t *tsd, arena_t *arena,
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size_t *old_limit, size_t *new_limit);
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unsigned arena_nthreads_get(arena_t *arena, bool internal);
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void arena_nthreads_inc(arena_t *arena, bool internal);
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void arena_nthreads_dec(arena_t *arena, bool internal);
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size_t arena_extent_sn_next(arena_t *arena);
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arena_t *arena_new(tsdn_t *tsdn, unsigned ind, extent_hooks_t *extent_hooks);
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bool arena_init_huge(void);
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arena_t *arena_choose_huge(tsd_t *tsd);
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void arena_boot(sc_data_t *sc_data);
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void arena_prefork0(tsdn_t *tsdn, arena_t *arena);
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void arena_prefork1(tsdn_t *tsdn, arena_t *arena);
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void arena_prefork2(tsdn_t *tsdn, arena_t *arena);
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void arena_prefork3(tsdn_t *tsdn, arena_t *arena);
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void arena_prefork4(tsdn_t *tsdn, arena_t *arena);
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void arena_prefork5(tsdn_t *tsdn, arena_t *arena);
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void arena_prefork6(tsdn_t *tsdn, arena_t *arena);
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void arena_prefork7(tsdn_t *tsdn, arena_t *arena);
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void arena_postfork_parent(tsdn_t *tsdn, arena_t *arena);
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void arena_postfork_child(tsdn_t *tsdn, arena_t *arena);
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#endif /* JEMALLOC_INTERNAL_ARENA_EXTERNS_H */
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