2016   size_t     topsize;  member
2566   assert(sz == m->topsize);  in do_check_top_chunk()
2762     sum += m->topsize + TOP_FOOT_SIZE;  in traverse_and_check()
2807     assert(m->topsize == chunksize(m->top));  in do_check_malloc_state()
2808     assert(m->topsize > 0);  in do_check_malloc_state()
2827       size_t mfree = m->topsize + TOP_FOOT_SIZE;  in internal_mallinfo()
2851       nm.keepcost = m->topsize;  in internal_mallinfo()
2870       used = fp - (m->topsize + TOP_FOOT_SIZE);  in internal_malloc_stats()
3224   m->topsize = psize;  in init_top()
3249   m->dvsize = m->topsize = 0;  in reset_on_error()
3276     size_t tsize = m->topsize += qsize;  in prepend_alloc()
3413       asize = granularity_align(nb - m->topsize + TOP_FOOT_SIZE + SIZE_T_ONE);  in sys_alloc()
3512         init_top(m, m->top, m->topsize + tsize);  in sys_alloc()
3534     if (nb < m->topsize) { /* Allocate from new or extended top space */  in sys_alloc()
3535       size_t rsize = m->topsize -= nb;  in sys_alloc()
3598     if (m->topsize > pad) {  in sys_trim()
3601       size_t extra = ((m->topsize - pad + (unit - SIZE_T_ONE)) / unit -  in sys_trim()
3639         init_top(m, m->top, m->topsize - released);  in sys_trim()
3801       else if (next == m->top && oldsize + m->topsize > nb) {  in internal_realloc()
3803         size_t newsize = oldsize + m->topsize;  in internal_realloc()
3809         m->topsize = newtopsize;  in internal_realloc()
4171     else if (nb < gm->topsize) { /* Split top */  in dlmalloc()
4172       size_t rsize = gm->topsize -= nb;  in dlmalloc()
4247               size_t tsize = fm->topsize += psize;  in dlfree()
4578     else if (nb < ms->topsize) { /* Split top */  in mspace_malloc()
4579       size_t rsize = ms->topsize -= nb;  in mspace_malloc()
4648               size_t tsize = fm->topsize += psize;  in mspace_free()