compound_mapcount_ptr

Name:compound_mapcount_ptr

Proto:static inline atomic_t *compound_mapcount_ptr(struct page *page)

Type:atomic_t

Parameter:

Type	Parameter	Name
struct page *	page

226

Return compound_mapcount

**Caller**
Name	Describe
page_mapped	Return true if this page is mapped into pagetables.* For compound page it returns true if any subpage of compound page is mapped.
__page_mapcount	Slow path of page_mapcount() for compound pages
do_page_add_anon_rmap	Special version of the above for do_swap_page, which often runs* into pages that are exclusively owned by the current process.* Everybody else should continue to use page_add_anon_rmap above.
page_add_new_anon_rmap	page_add_new_anon_rmap - add pte mapping to a new anonymous page@page: the page to add the mapping to@vma: the vm area in which the mapping is added@address: the user virtual address mapped@compound: charge the page as compound or small page
page_add_file_rmap	page_add_file_rmap - add pte mapping to a file page@page: the page to add the mapping to@compound: charge the page as compound or small page* The caller needs to hold the pte lock.
page_remove_file_rmap
page_remove_anon_compound_rmap
hugepage_add_anon_rmap	The following two functions are for anonymous (private mapped) hugepages.* Unlike common anonymous pages, anonymous hugepages have no accounting code* and no lru code, because we handle hugepages differently from common pages.
hugepage_add_new_anon_rmap
prep_compound_page
prep_compound_gigantic_page
__split_huge_pmd_locked

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