1 files changed, 2 insertions, 5 deletions

diff --git a/arch/parisc/include/asm/mmzone.h b/arch/parisc/include/asm/mmzone.h
index 0e625ab9aaec..b6b34a0987e7 100644
--- a/arch/parisc/include/asm/mmzone.h
+++ b/arch/parisc/include/asm/mmzone.h
@@ -27,7 +27,7 @@ extern struct node_map_data node_data[];
 
 #define PFNNID_SHIFT (30 - PAGE_SHIFT)
 #define PFNNID_MAP_MAX  512     /* support 512GB */
-extern unsigned char pfnnid_map[PFNNID_MAP_MAX];
+extern signed char pfnnid_map[PFNNID_MAP_MAX];
 
 #ifndef CONFIG_64BIT
 #define pfn_is_io(pfn) ((pfn & (0xf0000000UL >> PAGE_SHIFT)) == (0xf0000000UL >> PAGE_SHIFT))
@@ -39,17 +39,14 @@ extern unsigned char pfnnid_map[PFNNID_MAP_MAX];
 static inline int pfn_to_nid(unsigned long pfn)
 {
         unsigned int i;
-        unsigned char r;
 
         if (unlikely(pfn_is_io(pfn)))
                 return 0;
 
         i = pfn >> PFNNID_SHIFT;
         BUG_ON(i >= ARRAY_SIZE(pfnnid_map));
-        r = pfnnid_map[i];
-        BUG_ON(r == 0xff);
 
-        return (int)r;
+        return pfnnid_map[i];
 }
 
 static inline int pfn_valid(int pfn)