With THP refcounting work, no need to mark PMDs splitting. (ARC got missed under the sweeping arch change as THP support was likely not present in orig baseline) Signed-off-by: Vineet Gupta <vgupta@synopsys.com> Cc: Kirill A. Shutemov <kirill.shutemov@linux.intel.com> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>