GREFS_PER_GRANT_FRAME
extra_entries = more_frames * GREFS_PER_GRANT_FRAME;
for (i = GREFS_PER_GRANT_FRAME * nr_grant_frames;
i < GREFS_PER_GRANT_FRAME * new_nr_grant_frames - 1; i++)
gnttab_free_head = GREFS_PER_GRANT_FRAME * nr_grant_frames;
extra = howmany(req_entries, GREFS_PER_GRANT_FRAME);
nr_init_grefs = nr_grant_frames * GREFS_PER_GRANT_FRAME;