x86: move pte functions into common asm/pgalloc.h

Common definitions for 2-level pagetable functions.

Signed-off-by: Jeremy Fitzhardinge <jeremy.fitzhardinge@citrix.com>
Signed-off-by: Ingo Molnar <mingo@elte.hu>
Signed-off-by: Thomas Gleixner <tglx@linutronix.de>

diff --cc arch/x86/mm/init_64.c
Simple merge

diff --cc arch/x86/mm/pgtable.c
Simple merge

diff --cc arch/x86/mm/pgtable_32.c
Simple merge

diff --cc include/asm-x86/pgalloc.h
Simple merge

diff --cc include/asm-x86/pgalloc_32.h
Simple merge

diff --cc include/asm-x86/pgalloc_64.h
Simple merge