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only reclaim for exclusive heaps in their associated arena

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daanx 2024-06-02 13:16:20 -07:00
parent 635d626c82
commit 5501f59f6c
6 changed files with 45 additions and 21 deletions
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5
include/mimalloc.h
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@ -300,6 +300,11 @@ mi_decl_export void mi_subproc_add_current_thread(mi_subproc_id_t sub
// Experimental: visit abandoned heap areas (from threads that have been terminated)
mi_decl_export bool mi_abandoned_visit_blocks(mi_subproc_id_t subproc_id, int heap_tag, bool visit_blocks, mi_block_visit_fun* visitor, void* arg);
// Experimental: create a new heap with a specified heap tag. Set `allow_destroy` to false to allow the thread
// to reclaim abandoned memory (with a compatible heap_tag and arena_id) but in that case `mi_heap_destroy` will
// fall back to `mi_heap_delete`.
mi_decl_export mi_decl_nodiscard mi_heap_t* mi_heap_new_ex(int heap_tag, bool allow_destroy, mi_arena_id_t arena_id);
// deprecated
mi_decl_export int mi_reserve_huge_os_pages(size_t pages, double max_secs, size_t* pages_reserved) mi_attr_noexcept;

4
include/mimalloc/internal.h
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@ -131,8 +131,8 @@ void* _mi_arena_meta_zalloc(size_t size, mi_memid_t* memid);
void _mi_arena_meta_free(void* p, mi_memid_t memid, size_t size);
typedef struct mi_arena_field_cursor_s { // abstract struct
mi_arena_id_t start;
int count;
size_t start;
size_t end;
size_t bitmap_idx;
mi_subproc_t* subproc;
} mi_arena_field_cursor_t;