mem_cgroup_uncharge

Name:mem_cgroup_uncharge - uncharge a page*@page: page to uncharge* Uncharge a page previously charged with mem_cgroup_try_charge() and* mem_cgroup_commit_charge().

Proto:void mem_cgroup_uncharge(struct page *page)

Type:void

Parameter:

Type	Parameter	Name
struct page *	page

**Caller**
Name	Describe
free_compound_page	Higher-order pages are called "compound pages". They are structured thusly:* The first PAGE_SIZE page is called the "head page" and have PG_head set.* The remaining PAGE_SIZE pages are called "tail pages". PageTail() is encoded
delete_from_lru_cache	XXX: It is possible that a page is isolated from LRU cache,* and then kept in swap cache or failed to remove from page cache.* The page count will stop it from being freed by unpoison.* Stress tests should be aware of this memory leak problem.

Function report