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add mi_arena_is_os_allocated

This commit is contained in:
Daan Leijen 2023-03-28 09:59:41 -07:00
parent 9792b6364d
commit 176b6e6aa0
2 changed files with 6 additions and 0 deletions
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2
include/mimalloc/internal.h
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@ -115,6 +115,8 @@ mi_arena_id_t _mi_arena_id_none(void);
void _mi_arena_free(void* p, size_t size, size_t alignment, size_t align_offset, size_t memid, bool all_committed, mi_stats_t* stats);
void* _mi_arena_alloc(size_t size, bool* commit, bool* large, bool* is_pinned, bool* is_zero, mi_arena_id_t req_arena_id, size_t* memid, mi_os_tld_t* tld);
void* _mi_arena_alloc_aligned(size_t size, size_t alignment, size_t align_offset, bool* commit, bool* large, bool* is_pinned, bool* is_zero, mi_arena_id_t req_arena_id, size_t* memid, mi_os_tld_t* tld);
bool _mi_arena_memid_is_suitable(size_t arena_memid, mi_arena_id_t request_arena_id);
bool _mi_arena_is_os_allocated(size_t arena_memid);
// memory.c

4
src/arena.c
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@ -127,6 +127,10 @@ bool _mi_arena_memid_is_suitable(size_t arena_memid, mi_arena_id_t request_arena
return mi_arena_id_is_suitable(id, exclusive, request_arena_id);
}
bool _mi_arena_is_os_allocated(size_t arena_memid) {
return (arena_memid == MI_MEMID_OS);
}
static size_t mi_block_count_of_size(size_t size) {
return _mi_divide_up(size, MI_ARENA_BLOCK_SIZE);
}