/**
* workingset_eviction - note the eviction of a page from memory
- * @mapping: address space the page was backing
* @page: the page being evicted
*
- * Returns a shadow entry to be stored in @mapping->i_pages in place
+ * Returns a shadow entry to be stored in @page->mapping->i_pages in place
* of the evicted @page so that a later refault can be detected.
*/
-void *workingset_eviction(struct address_space *mapping, struct page *page)
+void *workingset_eviction(struct page *page)
{
struct pglist_data *pgdat = page_pgdat(page);
struct mem_cgroup *memcg = page_memcg(page);