Function kernel_limit_silo 

pub fn kernel_limit_silo(
    selector: &str,
    key: &str,
    value: u64,
) -> Result<u32, SyscallError>

Dynamically adjust resource quotas for a silo.

key can be: mem_max, mem_min, max_tasks, cpu_shares. Values are parsed as u64 (bytes for memory, count otherwise).