[PATCH] mips: add MIPS-specific support for flatmem/discontigmem

2.6.12-git6 doesn't boot on some MIPS machines.  They need the support of flat
memory and discontig memory.

Signed-off-by: Yoichi Yuasa <yuasa@hh.iij4u.or.jp>
Signed-off-by: Andrew Morton <akpm@osdl.org>
Signed-off-by: Linus Torvalds <torvalds@osdl.org>
diff --git a/include/asm-mips/pgtable.h b/include/asm-mips/pgtable.h
index 8788432..e76ccd6 100644
--- a/include/asm-mips/pgtable.h
+++ b/include/asm-mips/pgtable.h
@@ -350,7 +350,7 @@
 	__update_cache(vma, address, pte);
 }
 
-#ifndef CONFIG_DISCONTIGMEM
+#ifndef CONFIG_NEED_MULTIPLE_NODES
 #define kern_addr_valid(addr)	(1)
 #endif