#define list_to_page(head) (list_entry((head)->prev, struct page, lru))
/**
- * read_cache_pages - populate an address space with some pages, and
- * start reads against them.
+ * read_cache_pages - populate an address space with some pages & start reads against them
* @mapping: the address_space
* @pages: The address of a list_head which contains the target pages. These
* pages have their ->index populated and are otherwise uninitialised.