taglinefilesource code
swapout104include/linux/mm.hvoid (*swapout)(struct vm_area_struct *,  unsigned long, pte_t *);
swapout342mm/swap.cif (vma->vm_ops && vma->vm_ops->swapout) {
swapout344mm/swap.cvma->vm_ops->swapout(vma, address-vma->vm_start, page_table);