ppc64: add identifiers to asm statements, makes reading disassembly slightly easier

include/asm-ppc64/page.h

@@ -48,7 +48,7 @@ static __inline__ void clear_page(void *addr)
 	lines = naca->dCacheL1LinesPerPage;
 
 	__asm__ __volatile__(
-"  	mtctr  	%1\n\
+	"mtctr  	%1	# clear_page\n\
 1:      dcbz  	0,%0\n\
 	add	%0,%0,%3\n\
 	bdnz+	1b"

include/asm-ppc64/pgtable.h

@@ -267,8 +267,8 @@ static inline unsigned long pte_update( pte_t *p, unsigned long clr,
 {
 	unsigned long old, tmp;
 
-	__asm__ __volatile__("\n\
-1:	ldarx	%0,0,%3	\n\
+	__asm__ __volatile__(
+	"1:	ldarx	%0,0,%3		# pte_update\n\
 	andc	%1,%0,%4 \n\
 	or	%1,%1,%5 \n\
 	stdcx.	%1,0,%3 \n\