[CRIU] [PATCH] inet: tcp -- Find size of max memory allowed to restore TCP data, v2

[Pavel Emelyanov]

On 10/07/2013 07:18 PM, Cyrill Gorcunov wrote:
> On Mon, Oct 07, 2013 at 05:22:09PM +0400, Cyrill Gorcunov wrote:
>>
>> Yeah, I'll check the sysctl engine code, thanks! As to read queue -- I think yes,
>> you're right, I'll update, thanks!
> 
> Update attached.
> 


> +int tcp_read_sysctl_limits(void)
> +{
> +	u32 vect[2][3] = { };
> +	int ret;
> +
> +	struct sysctl_req req[] = {
> +		{ "net/ipv4/tcp_wmem", &vect[0], CTL_U32A(ARRAY_SIZE(vect[0])) },
> +		{ "net/ipv4/tcp_rmem", &vect[1], CTL_U32A(ARRAY_SIZE(vect[0])) },
> +		{ },
> +	};
> +
> +	/*
> +	 * Simply use default values.
> +	 */
> +	if (access("/proc/sys/net/ipv4", X_OK)) {
> +		pr_info("IPv4 sysctls are missing\n");
> +		return 0;
> +	}
> +

Huh?