taglinefilesource code
from_page715mm/memory.cunsigned long from_page;
from_page718mm/memory.cfrom_page = (unsigned long)PAGE_DIR_OFFSET(from_area->vm_task->tss.cr3,from_address);
from_page721mm/memory.cfrom = *(unsigned long *) from_page;
from_page725mm/memory.cfrom_page = from + PAGE_PTR(from_address);
from_page726mm/memory.cfrom = *(unsigned long *) from_page;
from_page762mm/memory.c*(unsigned long *) from_page = from;