diff --git a/arch/x86/mm/pgtable_32.c b/arch/x86/mm/pgtable_32.c
index 0951db9..e4032c8 100644
--- a/arch/x86/mm/pgtable_32.c
+++ b/arch/x86/mm/pgtable_32.c
@@ -20,6 +20,8 @@
 #include <asm/tlb.h>
 #include <asm/tlbflush.h>
 
+unsigned int __VMALLOC_RESERVE = 128 << 20;
+
 /*
  * Associate a virtual page frame with a given physical page frame 
  * and protection flags for that frame.