Function detect_system_memory

nodedb/src/event/slab_budget.rs:319–326

()

    #[test]
    fn detect_system_memory() {
        // On Linux, /proc/meminfo should exist and return > 0.
        if cfg!(target_os = "linux") {
            let mem = detect_system_memory_bytes();
            assert!(mem.is_some(), "should detect memory on Linux");
            assert!(mem.unwrap() > 0);
        }
    }
}