Struct pagecache::Lru

pub struct Lru { /* fields omitted */ }

A simple Lru cache.

Methods

impl Lru

pub fn new(cache_capacity: u64) -> Self

Instantiates a new Lru cache.

pub fn accessed(&self, pid: PageId, sz: u64) -> Vec<PageId>

Called when a page is accessed. Returns a Vec of pages to try to page-out. For each one of these, the caller is expected to call page_out_succeeded if the page-out succeeded.

Trait Implementations

impl Sync for Lru