[PATCH] x86_64: Fix NUMA node lookup debug code which had bitrotted

Signed-off-by: Andi Kleen <ak@suse.de>
Signed-off-by: Linus Torvalds <torvalds@osdl.org>

diff --git a/include/asm-x86_64/mmzone.h b/include/asm-x86_64/mmzone.h
index 8d48dc7..69baaa8 100644 (file)
--- a/include/asm-x86_64/mmzone.h
+++ b/include/asm-x86_64/mmzone.h
@@ -17,16 +17,15 @@
 /* Simple perfect hash to map physical addresses to node numbers */
 extern int memnode_shift; 
 extern u8  memnodemap[NODEMAPSIZE]; 
-extern int maxnode;
 
 extern struct pglist_data *node_data[];
 
 static inline __attribute__((pure)) int phys_to_nid(unsigned long addr) 
 { 
-       int nid; 
+       unsigned nid; 
        VIRTUAL_BUG_ON((addr >> memnode_shift) >= NODEMAPSIZE);
        nid = memnodemap[addr >> memnode_shift]; 
-       VIRTUAL_BUG_ON(nid > maxnode); 
+       VIRTUAL_BUG_ON(nid >= MAX_NUMNODES || !node_data[nid]); 
        return nid; 
 }