taglinefilesource code
from_address716mm/memory.cunsigned long from_address, struct vm_area_struct * from_area,
from_address724mm/memory.cfrom_page = (unsigned long)PAGE_DIR_OFFSET(from_area->vm_task->tss.cr3,from_address);
from_address731mm/memory.cfrom_page = from + PAGE_PTR(from_address);
from_address802mm/memory.cunsigned long from_address;
from_address831mm/memory.cfrom_address = offset + mpnt->vm_start - mpnt->vm_offset;
from_address832mm/memory.cif (from_address < mpnt->vm_start || from_address >= mpnt->vm_end)
from_address835mm/memory.cif (!try_to_share(address, area, from_address, mpnt, give_page))