[PATCHv11 15/37] ksm: prepare to new THP semantics

We don't need special code to stabilize THP. If you've got reference to any subpage of THP it will not be split under you. New split_huge_page() also accepts tail pages: no need in special code to get reference to head page. Signed-off-by: Kirill A. Shutemov Tested-by: Sasha Levin Tested-by:

[PATCHv11 15/37] ksm: prepare to new THP semantics

We don't need special code to stabilize THP. If you've got reference to any subpage of THP it will not be split under you. New split_huge_page() also accepts tail pages: no need in special code to get reference to head page. Signed-off-by: Kirill A. Shutemov