expand_stack     2521 mm/mmap.c      int expand_stack(struct vm_area_struct *vma, unsigned long address)
expand_stack     2543 mm/mmap.c      int expand_stack(struct vm_area_struct *vma, unsigned long address)
expand_stack      743 mm/nommu.c     int expand_stack(struct vm_area_struct *vma, unsigned long address)