PKRU_AD_BIT
return !(pkru & (PKRU_AD_BIT << pkru_pkey_bits));
return !(pkru & ((PKRU_AD_BIT|PKRU_WD_BIT) << pkru_pkey_bits));
new_pkru_bits |= PKRU_AD_BIT;
old_pkru &= ~((PKRU_AD_BIT|PKRU_WD_BIT) << pkey_shift);
#define PKRU_AD_MASK(pkey) (PKRU_AD_BIT << ((pkey) * PKRU_BITS_PER_PKEY))
if (new_init_pkru & (PKRU_AD_BIT|PKRU_WD_BIT))