taglinefilesource code
pgd_end191mm/vmscan.cunsigned long pgd_end;
pgd_end203mm/vmscan.cpgd_end = (address + PGDIR_SIZE) & PGDIR_MASK;  
pgd_end204mm/vmscan.cif (end > pgd_end)
pgd_end205mm/vmscan.cend = pgd_end;