put_anon_vma

函数名称：put_anon_vma

函数原型：static inline void put_anon_vma(struct anon_vma *anon_vma)

返回类型：void

参数：

类型	参数	名称
struct anon_vma *	anon_vma

114

如果atomic_dec_and_test( & The refcount is taken on an anon_vma when there is no* guarantee that the vma of page tables will exist for* the duration of the operation. A caller that takes* the reference is responsible for clearing up the* anon_vma if they are the last user on release)则__put_anon_vma(anon_vma)

**调用者**
名称	描述
__anon_vma_prepare	__anon_vma_prepare - attach an anon_vma to a memory region@vma: the memory region in question This makes sure the memory mapping described by 'vma' has* an 'anon_vma' attached to it, so that we can associate the
anon_vma_fork	Attach vma to its own anon_vma, as well as to the anon_vmas that* the corresponding VMA in the parent process is attached to.* Returns 0 on success, non-zero on failure.
unlink_anon_vmas
page_get_anon_vma	Getting a lock on a stable anon_vma from a page off the LRU is tricky!* Since there is no serialization what so ever against page_remove_rmap()* the best this function can do is return a locked anon_vma that might* have been relevant to this page
page_lock_anon_vma_read	Similar to page_get_anon_vma() except it locks the anon_vma.* Its a little more complex as it tries to keep the fast path to a single* atomic op -- the trylock. If we fail the trylock, we fall back to getting a
break_cow
remove_node_from_stable_tree
remove_rmap_item_from_tree	Removing rmap_item from stable or unstable tree.* This function will clean the information from the stable/unstable tree.
__unmap_and_move
unmap_and_move_huge_page	Counterpart of unmap_and_move_page() for hugepage migration
split_huge_page_to_list	This function splits huge page into normal pages. @page can point to any* subpage of huge page to split. Split doesn't change the position of @page.* Only caller must hold pin on the @page, otherwise split fails with -EBUSY.* The huge page must be locked.

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