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fix bug in determination of block size in pre-reserved arena memory

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This commit is contained in:
Daan Leijen 2021-10-18 20:39:39 -07:00
parent d6bbc08119
commit bcce4d52bf
2 changed files with 4 additions and 2 deletions
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2
src/arena.c
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@ -287,7 +287,7 @@ bool mi_manage_os_memory(void* start, size_t size, bool is_committed, bool is_la
is_committed = true;
}
const size_t bcount = mi_block_count_of_size(size);
const size_t bcount = size / MI_ARENA_BLOCK_SIZE;
const size_t fields = _mi_divide_up(bcount, MI_BITMAP_FIELD_BITS);
const size_t bitmaps = (is_committed ? 2 : 3);
const size_t asize = sizeof(mi_arena_t) + (bitmaps*fields*sizeof(mi_bitmap_field_t));