split_huge_page

Name:split_huge_page

Proto:static inline int split_huge_page(struct page *page)

Type:int

Parameter:

Type	Parameter	Name
struct page *	page

168

Return 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.

**Caller**
Name	Describe
follow_page_pte
follow_pmd_mask
madvise_cold_or_pageout_pte_range
madvise_free_pte_range
try_to_merge_one_page	ry_to_merge_one_page - take two pages and merge them into one@vma: the vma that holds the pte pointing to page@page: the PageAnon page that we want to replace with kpage*@kpage: the PageKsm page that we want to map instead of page,
cmp_and_merge_page	mp_and_merge_page - first see if page can be merged into the stable tree;* if not, compare checksum to previous and if it's the same, see if page can* be inserted into the unstable tree, or merged with a page already there and
madvise_free_huge_pmd	Return true if we do MADV_FREE successfully on entire pmd page.* Otherwise, return false.
deferred_split_scan
memory_failure	memory_failure - Handle memory failure of a page.@pfn: Page Number of the corrupted page@flags: fine tune action taken* This function is called by the low level machine check code* of an architecture when it detects hardware memory corruption* of a page
soft_offline_in_use_page

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