[SPARC64] Fix build if CONFIG_HUGETLB_PAGE is not set

Signed-off-by: NFabio M. Di Nitto <fabbione@ubuntu.com>
Signed-off-by: NDavid S. Miller <davem@davemloft.net>

include/asm-sparc64/pgtable.h

@@ -354,6 +354,7 @@ static inline pgprot_t pgprot_noncached(pgprot_t prot)
  */
 #define pgprot_noncached pgprot_noncached
 
+#ifdef CONFIG_HUGETLB_PAGE
 static inline pte_t pte_mkhuge(pte_t pte)
 {
 	unsigned long mask;
@@ -371,6 +372,7 @@ static inline pte_t pte_mkhuge(pte_t pte)
 
 	return __pte(pte_val(pte) | mask);
 }
+#endif
 
 static inline pte_t pte_mkdirty(pte_t pte)
 {