CEILDIV           646 gc.c           #define CEILDIV(i, mod) (((i) + (mod) - 1)/(mod))
CEILDIV           653 gc.c           HEAP_PAGE_BITMAP_LIMIT = CEILDIV(CEILDIV(HEAP_PAGE_SIZE, sizeof(struct RVALUE)), BITS_BITLENGTH),
CEILDIV           653 gc.c           HEAP_PAGE_BITMAP_LIMIT = CEILDIV(CEILDIV(HEAP_PAGE_SIZE, sizeof(struct RVALUE)), BITS_BITLENGTH),