pgd_start 92 arch/x86/mm/mem_encrypt_identity.c unsigned long pgd_start, pgd_end, pgd_size; pgd_start 95 arch/x86/mm/mem_encrypt_identity.c pgd_start = ppd->vaddr & PGDIR_MASK; pgd_start 98 arch/x86/mm/mem_encrypt_identity.c pgd_size = (((pgd_end - pgd_start) / PGDIR_SIZE) + 1) * sizeof(pgd_t);