[RFC v6 13/62] powerpc: track allocation status of all pkeys

[Thiago Jung Bauermann]

Ram Pai <linuxram at us.ibm.com> writes:
>  static inline int mm_pkey_free(struct mm_struct *mm, int pkey)
>  {
> -	return -EINVAL;
> +	if (!pkey_inited)
> +		return -1;

Sorry, I missed this earlier but the pkey_free syscall will pass this
value to userspace so it needs to be an errno as well (-EINVAL?).

> +
> +	if (!mm_pkey_is_allocated(mm, pkey))
> +		return -EINVAL;
> +
> +	mm_set_pkey_free(mm, pkey);
> +
> +	return 0;
>  }

-- 
Thiago Jung Bauermann
IBM Linux Technology Center