e8921cf2eb
Rather than storing usize only for large (and prof-promoted) allocations, store the size class index for allocations that reside within the extent, such that the size class index is valid for all extents that contain extant allocations, and invalid otherwise (mainly to make debugging simpler).
64 lines
2.9 KiB
C
64 lines
2.9 KiB
C
#ifndef JEMALLOC_INTERNAL_EXTENT_EXTERNS_H
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#define JEMALLOC_INTERNAL_EXTENT_EXTERNS_H
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extern rtree_t extents_rtree;
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extern const extent_hooks_t extent_hooks_default;
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extent_t *extent_alloc(tsdn_t *tsdn, arena_t *arena);
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void extent_dalloc(tsdn_t *tsdn, arena_t *arena, extent_t *extent);
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extent_hooks_t *extent_hooks_get(arena_t *arena);
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extent_hooks_t *extent_hooks_set(arena_t *arena, extent_hooks_t *extent_hooks);
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#ifdef JEMALLOC_JET
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size_t extent_size_quantize_floor(size_t size);
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size_t extent_size_quantize_ceil(size_t size);
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#endif
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ph_proto(, extent_heap_, extent_heap_t, extent_t)
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bool extents_init(tsdn_t *tsdn, extents_t *extents, extent_state_t state,
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bool delay_coalesce);
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extent_state_t extents_state_get(const extents_t *extents);
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size_t extents_npages_get(extents_t *extents);
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extent_t *extents_alloc(tsdn_t *tsdn, arena_t *arena,
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extent_hooks_t **r_extent_hooks, extents_t *extents, void *new_addr,
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size_t size, size_t pad, size_t alignment, bool slab, szind_t szind,
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bool *zero, bool *commit);
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void extents_dalloc(tsdn_t *tsdn, arena_t *arena,
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extent_hooks_t **r_extent_hooks, extents_t *extents, extent_t *extent);
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extent_t *extents_evict(tsdn_t *tsdn, arena_t *arena,
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extent_hooks_t **r_extent_hooks, extents_t *extents, size_t npages_min);
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void extents_prefork(tsdn_t *tsdn, extents_t *extents);
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void extents_postfork_parent(tsdn_t *tsdn, extents_t *extents);
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void extents_postfork_child(tsdn_t *tsdn, extents_t *extents);
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extent_t *extent_alloc_wrapper(tsdn_t *tsdn, arena_t *arena,
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extent_hooks_t **r_extent_hooks, void *new_addr, size_t size, size_t pad,
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size_t alignment, bool slab, szind_t szind, bool *zero, bool *commit);
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void extent_dalloc_gap(tsdn_t *tsdn, arena_t *arena, extent_t *extent);
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bool extent_dalloc_wrapper_try(tsdn_t *tsdn, arena_t *arena,
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extent_hooks_t **r_extent_hooks, extent_t *extent);
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void extent_dalloc_wrapper(tsdn_t *tsdn, arena_t *arena,
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extent_hooks_t **r_extent_hooks, extent_t *extent);
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bool extent_commit_wrapper(tsdn_t *tsdn, arena_t *arena,
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extent_hooks_t **r_extent_hooks, extent_t *extent, size_t offset,
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size_t length);
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bool extent_decommit_wrapper(tsdn_t *tsdn, arena_t *arena,
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extent_hooks_t **r_extent_hooks, extent_t *extent, size_t offset,
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size_t length);
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bool extent_purge_lazy_wrapper(tsdn_t *tsdn, arena_t *arena,
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extent_hooks_t **r_extent_hooks, extent_t *extent, size_t offset,
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size_t length);
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bool extent_purge_forced_wrapper(tsdn_t *tsdn, arena_t *arena,
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extent_hooks_t **r_extent_hooks, extent_t *extent, size_t offset,
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size_t length);
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extent_t *extent_split_wrapper(tsdn_t *tsdn, arena_t *arena,
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extent_hooks_t **r_extent_hooks, extent_t *extent, size_t size_a,
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szind_t szind_a, size_t size_b, szind_t szind_b);
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bool extent_merge_wrapper(tsdn_t *tsdn, arena_t *arena,
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extent_hooks_t **r_extent_hooks, extent_t *a, extent_t *b);
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bool extent_boot(void);
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#endif /* JEMALLOC_INTERNAL_EXTENT_EXTERNS_H */
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