-diff -urN linux-2.6.19.old/include/asm-mips/system.h linux-2.6.19.dev/include/asm-mips/system.h
---- linux-2.6.19.old/include/asm-mips/system.h 2006-11-29 22:57:37.000000000 +0100
-+++ linux-2.6.19.dev/include/asm-mips/system.h 2006-12-14 03:13:28.000000000 +0100
-@@ -311,7 +311,7 @@
+Index: linux-2.6.21.7/include/asm-mips/system.h
+===================================================================
+--- linux-2.6.21.7.orig/include/asm-mips/system.h
++++ linux-2.6.21.7/include/asm-mips/system.h
+@@ -188,7 +188,7 @@ extern __u64 __xchg_u64_unsupported_on_3