cache_stat

pub const cache_stat = extern struct {
    /// Number of cached pages.
    cache: u64,
    /// Number of dirty pages.
    dirty: u64,
    /// Number of pages marked for writeback.
    writeback: u64,
    /// Number of pages evicted from the cache.
    evicted: u64,
    /// Number of recently evicted pages.
    /// A page is recently evicted if its last eviction was recent enough that its
    /// reentry to the cache would indicate that it is actively being used by the
    /// system, and that there is memory pressure on the system.
    recently_evicted: u64,
}