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merge from dev

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This commit is contained in:
Daan Leijen 2024-06-03 18:14:44 -07:00
commit 7c67114fd4
14 changed files with 466 additions and 314 deletions
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16
include/mimalloc/internal.h
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@ -132,13 +132,17 @@ 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
size_t start;
size_t end;
size_t bitmap_idx;
mi_subproc_t* subproc;
size_t os_list_count; // max entries to visit in the OS abandoned list
size_t start; // start arena idx (may need to be wrapped)
size_t end; // end arena idx (exclusive, may need to be wrapped)
size_t bitmap_idx; // current bit idx for an arena
mi_subproc_t* subproc; // only visit blocks in this sub-process
bool visit_all; // ensure all abandoned blocks are seen (blocking)
bool hold_visit_lock; // if the subproc->abandoned_os_visit_lock is held
} mi_arena_field_cursor_t;
void _mi_arena_field_cursor_init(mi_heap_t* heap, mi_subproc_t* subproc, mi_arena_field_cursor_t* current);
mi_segment_t* _mi_arena_segment_clear_abandoned_next(mi_arena_field_cursor_t* previous, bool visit_all);
void _mi_arena_field_cursor_init(mi_heap_t* heap, mi_subproc_t* subproc, bool visit_all, mi_arena_field_cursor_t* current);
mi_segment_t* _mi_arena_segment_clear_abandoned_next(mi_arena_field_cursor_t* previous);
void _mi_arena_field_cursor_done(mi_arena_field_cursor_t* current);
// "segment-map.c"
void _mi_segment_map_allocated_at(const mi_segment_t* segment);

11
include/mimalloc/types.h
View file

@ -671,10 +671,13 @@ void _mi_stat_counter_increase(mi_stat_counter_t* stat, size_t amount);
// ------------------------------------------------------
struct mi_subproc_s {
_Atomic(size_t) abandoned_count; // count of abandoned segments for this sup-process
mi_lock_t abandoned_os_lock; // lock for the abandoned segments outside of arena's
mi_segment_t* abandoned_os_list; // doubly-linked list of abandoned segments outside of arena's (in OS allocated memory)
mi_memid_t memid; // provenance
_Atomic(size_t) abandoned_count; // count of abandoned segments for this sub-process
_Atomic(size_t) abandoned_os_list_count; // count of abandoned segments in the os-list
mi_lock_t abandoned_os_lock; // lock for the abandoned os segment list (outside of arena's) (this lock protect list operations)
mi_lock_t abandoned_os_visit_lock; // ensure only one thread per subproc visits the abandoned os list
mi_segment_t* abandoned_os_list; // doubly-linked list of abandoned segments outside of arena's (in OS allocated memory)
mi_segment_t* abandoned_os_list_tail; // the tail-end of the list
mi_memid_t memid; // provenance of this memory block
};
// ------------------------------------------------------