sparc: Fix build with DEBUG_PAGEALLOC enabled.

arch/sparc/mm/init_64.c:1622:22: error: unused variable '__swapper_4m_tsb_phys_patch_end' [-Werror=unused-variable]
arch/sparc/mm/init_64.c:1621:22: error: unused variable '__swapper_4m_tsb_phys_patch' [-Werror=unused-variable]

Signed-off-by: David S. Miller <davem@davemloft.net>

1 files changed, 4 insertions, 2 deletions

diff --git a/arch/sparc/mm/init_64.c b/arch/sparc/mm/init_64.c
index adfac23d976a..581531dbc8b5 100644
--- a/arch/sparc/mm/init_64.c
+++ b/arch/sparc/mm/init_64.c
@@ -1618,18 +1618,20 @@ static void ktsb_phys_patch(void)
 {
         extern unsigned int __swapper_tsb_phys_patch;
         extern unsigned int __swapper_tsb_phys_patch_end;
-        extern unsigned int __swapper_4m_tsb_phys_patch;
-        extern unsigned int __swapper_4m_tsb_phys_patch_end;
         unsigned long ktsb_pa;
 
         ktsb_pa = kern_base + ((unsigned long)&swapper_tsb[0] - KERNBASE);
         patch_one_ktsb_phys(&__swapper_tsb_phys_patch,
                             &__swapper_tsb_phys_patch_end, ktsb_pa);
 #ifndef CONFIG_DEBUG_PAGEALLOC
+        {
+        extern unsigned int __swapper_4m_tsb_phys_patch;
+        extern unsigned int __swapper_4m_tsb_phys_patch_end;
         ktsb_pa = (kern_base +
                    ((unsigned long)&swapper_4m_tsb[0] - KERNBASE));
         patch_one_ktsb_phys(&__swapper_4m_tsb_phys_patch,
                             &__swapper_4m_tsb_phys_patch_end, ktsb_pa);
+        }
 #endif
 }