taglinefilesource code
from_address776mm/memory.cunsigned long from_address, struct vm_area_struct * from_area,
from_address784mm/memory.cfrom_dir = pgd_offset(from_area->vm_mm,from_address);
from_address793mm/memory.cfrom_middle = pmd_offset(from_dir, from_address);
from_address802mm/memory.cfrom_table = pte_offset(from_middle, from_address);
from_address890mm/memory.cunsigned long from_address;
from_address916mm/memory.cfrom_address = offset + mpnt->vm_start - mpnt->vm_offset;
from_address917mm/memory.cif (from_address < mpnt->vm_start || from_address >= mpnt->vm_end)
from_address920mm/memory.cif (!try_to_share(address, area, from_address, mpnt, give_page))