155   size_t max_size = heap_max_size ();  in heap_for_ptr()  local
156   return PTR_ALIGN_DOWN (ptr, max_size);  in heap_for_ptr()
489   size_t max_size = heap_max_size ();  in alloc_new_heap()  local
493   else if (size + top_pad <= max_size)  in alloc_new_heap()
495   else if (size > max_size)  in alloc_new_heap()
498     size = max_size;  in alloc_new_heap()
508       p2 = (char *) MMAP (aligned_heap_area, max_size, PROT_NONE, mmap_flags);  in alloc_new_heap()
510       if (p2 != MAP_FAILED && ((unsigned long) p2 & (max_size - 1)))  in alloc_new_heap()
512           __munmap (p2, max_size);  in alloc_new_heap()
518       p1 = (char *) MMAP (0, max_size << 1, PROT_NONE, mmap_flags);  in alloc_new_heap()
521           p2 = (char *) (((unsigned long) p1 + (max_size - 1))  in alloc_new_heap()
522                          & ~(max_size - 1));  in alloc_new_heap()
527             aligned_heap_area = p2 + max_size;  in alloc_new_heap()
528           __munmap (p2 + max_size, max_size - ul);  in alloc_new_heap()
534           p2 = (char *) MMAP (0, max_size, PROT_NONE, mmap_flags);  in alloc_new_heap()
538           if ((unsigned long) p2 & (max_size - 1))  in alloc_new_heap()
540               __munmap (p2, max_size);  in alloc_new_heap()
547       __munmap (p2, max_size);  in alloc_new_heap()
586   size_t max_size = heap_max_size ();  in grow_heap()  local
591   if ((unsigned long) new_size > (unsigned long) max_size)  in grow_heap()
648   size_t max_size = heap_max_size ();  in heap_trim()  local
665       assert (new_size > 0 && new_size < max_size);  in heap_trim()
666       if (new_size + (max_size - prev_heap->size) < pad + MINSIZE  in heap_trim()
671       if ((char *) heap + max_size == aligned_heap_area)  in heap_trim()
673       __munmap (heap, max_size);  in heap_trim()