ptdump_walk_pgd_level_core
ptdump_walk_pgd_level_core(m, mm, mm->pgd, false, true);
ptdump_walk_pgd_level_core(m, mm, pgd, false, false);
ptdump_walk_pgd_level_core(NULL, &init_mm, pgd, true, false);
return ptdump_walk_pgd_level_core(NULL, &init_mm, INIT_PGD, true, false);
bool ptdump_walk_pgd_level_core(struct seq_file *m,