Re: [PATCH v2] signal: restore the override_rlimit logic

[Oleg Nesterov]

On 11/04, Roman Gushchin wrote:
>
> -long inc_rlimit_get_ucounts(struct ucounts *ucounts, enum rlimit_type type)
> +long inc_rlimit_get_ucounts(struct ucounts *ucounts, enum rlimit_type type,
> +			    bool override_rlimit)
>  {
>  	/* Caller must hold a reference to ucounts */
>  	struct ucounts *iter;
> @@ -320,7 +321,8 @@ long inc_rlimit_get_ucounts(struct ucounts *ucounts, enum rlimit_type type)
>  			goto unwind;
>  		if (iter == ucounts)
>  			ret = new;
> -		max = get_userns_rlimit_max(iter->ns, type);
> +		if (!override_rlimit)
> +			max = get_userns_rlimit_max(iter->ns, type);
>  		/*
>  		 * Grab an extra ucount reference for the caller when
>  		 * the rlimit count was previously 0.

Acked-by: Oleg Nesterov <oleg@xxxxxxxxxx>