page_off

函数名称：page_off_lru - which LRU list was page on? clearing its lru flags.*@page: the page to test* Returns the LRU list a page was on, as an index into the array of LRU* lists; and clears its Unevictable or Active flags, ready for freeing.

函数原型：static __always_inline enum lru_list page_off_lru(struct page *page)

返回类型：enum lru_list

参数：

类型	参数	名称
struct page *	page

如果PageUnevictable(page)则

__ClearPageUnevictable(page)

lru等于LRU_UNEVICTABLE

否则

lru等于page_lru_base_type - which LRU list type should a page be on?*@page: the page to test* Used for LRU list index arithmetic.* Returns the base LRU type - file or anon - @page should be on.

如果PageActive(page)则

100

__ClearPageActive(page)

101

lru加等于LRU_ACTIVE

104

返回:lru

**调用者**
名称	描述
__page_cache_release	This path almost never happens for VM activity - pages are normally* freed via pagevecs. But it gets used by networking.
release_pages	lease_pages - batched put_page()@pages: array of pages to release@nr: number of pages* Decrement the reference count on all the pages in @pages. If it* fell to zero, remove the page from the LRU and free it.

源代码转换工具开放的插件接口	X
支持：c/c++/esqlc/java Oracle/Informix/Mysql 插件可实现：逻辑报告代码生成和批量转换代码

函数逻辑报告