2187 #define TOP_FOOT_SIZE\  macro
2630   assert(sz == ((sp->base + sp->size) - (char*)p) - TOP_FOOT_SIZE);  in do_check_top_chunk()
2824     sum += m->topsize + TOP_FOOT_SIZE;  in traverse_and_check()
2889       size_t mfree = m->topsize + TOP_FOOT_SIZE;  in internal_mallinfo()
2932       used = fp - (m->topsize + TOP_FOOT_SIZE);  in internal_malloc_stats()
3289   chunk_plus_offset(p, psize)->head = TOP_FOOT_SIZE;  in init_top()
3383   init_top(m, (mchunkptr)tbase, tsize - TOP_FOOT_SIZE);  in add_segment()
3461         asize = granularity_align(nb + TOP_FOOT_SIZE + SIZE_T_ONE);  in sys_alloc()
3475       asize = granularity_align(nb - m->topsize + TOP_FOOT_SIZE + SIZE_T_ONE);  in sys_alloc()
3487             asize < nb + TOP_FOOT_SIZE + SIZE_T_ONE) {  in sys_alloc()
3488           size_t esize = granularity_align(nb + TOP_FOOT_SIZE + SIZE_T_ONE - asize);  in sys_alloc()
3512     size_t req = nb + TOP_FOOT_SIZE + SIZE_T_ONE;  in sys_alloc()
3525     size_t asize = granularity_align(nb + TOP_FOOT_SIZE + SIZE_T_ONE);  in sys_alloc()
3535         if (ssize > nb + TOP_FOOT_SIZE) {  in sys_alloc()
3555         init_top(m, (mchunkptr)tbase, tsize - TOP_FOOT_SIZE);  in sys_alloc()
3559         init_top(m, mn, (size_t)((tbase + tsize) - (char*)mn) -TOP_FOOT_SIZE);  in sys_alloc()
3627       if (!cinuse(p) && (char*)p + psize >= base + size - TOP_FOOT_SIZE) {  in release_unused_segments()
3658     pad += TOP_FOOT_SIZE; /* ensure enough room for segment overhead */  in sys_trim()
4483   init_top(m, mn, (size_t)((tbase + tsize) - (char*)mn) - TOP_FOOT_SIZE);  in init_user_mstate()
4493   if (capacity < (size_t) -(msize + TOP_FOOT_SIZE + mparams.page_size)) {  in create_mspace()
4495                  (capacity + TOP_FOOT_SIZE + msize));  in create_mspace()
4512   if (capacity > msize + TOP_FOOT_SIZE &&  in create_mspace_with_base()
4513       capacity < (size_t) -(msize + TOP_FOOT_SIZE + mparams.page_size)) {  in create_mspace_with_base()