taglinefilesource code
from_middle801mm/memory.cpmd_t * from_middle, * to_middle;
from_middle814mm/memory.cfrom_middle = pmd_offset(from_dir, from_address);
from_middle816mm/memory.cif (pmd_none(*from_middle))
from_middle818mm/memory.cif (pmd_bad(*from_middle)) {
from_middle819mm/memory.cprintk("try_to_share: bad mid directory %08lx\n", pmd_val(*from_middle));
from_middle820mm/memory.cpmd_clear(from_middle);
from_middle823mm/memory.cfrom_table = pte_offset(from_middle, from_address);