rmap_walk_locked

Name:Like rmap_walk, but caller holds relevant rmap lock

Proto:void rmap_walk_locked(struct page *page, struct rmap_walk_control *rwc)

Type:void

Parameter:

Type	Parameter	Name
struct page *	page
struct rmap_walk_control *	rwc

1945

VM_BUG_ON_PAGE(A KSM page is one of those write-protected "shared pages" or "merged pages"* which KSM maps into multiple mms, wherever identical anonymous page content* is found in VM_MERGEABLE vmas. It's a PageAnon page, pointing not to any, page)

1946

If PageAnon(page) Then map_walk_anon - do something to anonymous page using the object-based* rmap method*@page: the page to be handled*@rwc: control variable according to each walk type* Find all the mappings of a page using the mapping pointer and the vma chains

1948

Else map_walk_file - do something to file page using the object-based rmap method*@page: the page to be handled*@rwc: control variable according to each walk type* Find all the mappings of a page using the mapping pointer and the vma chains

**Caller**
Name	Describe
try_to_unmap	ry_to_unmap - try to remove all page table mappings to a page@page: the page to get unmapped@flags: action and flags* Tries to remove all the page table entries which are mapping this* page, used in the pageout path. Caller must hold the page lock.
remove_migration_ptes	Get rid of all migration entries and replace them by* references to the indicated page.

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