pub const cache_stat = extern struct
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,
}