diff --git a/code/lkm.c b/code/lkm.c
index 760a75cb1..853ac9b0d 100644
--- a/code/lkm.c
+++ b/code/lkm.c
@@ -27,47 +27,47 @@ static struct file_operations lkm_fops = {
 	.unlocked_ioctl = lkm_ioctl,
 };
 
-void
-is2mb(size_t addr)
-{
-	unsigned long above = ((long)addr) >> __VIRTUAL_MASK_SHIFT;
-	pgd_t *pgd;
-	p4d_t *p4d;
-	pud_t *pud;
-	pmd_t *pmd;
-	pte_t *pte;
+// void
+// is2mb(size_t addr)
+// {
+// 	unsigned long above = ((long)addr) >> __VIRTUAL_MASK_SHIFT;
+// 	pgd_t *pgd;
+// 	p4d_t *p4d;
+// 	pud_t *pud;
+// 	pmd_t *pmd;
+// 	pte_t *pte;
 
-	if (above != 0 && above != -1UL)
-		return 0;
+// 	if (above != 0 && above != -1UL)
+// 		return 0;
 
-	pgd = pgd_offset_pgd(_init_top_pgt, addr);
-	if (pgd_none(*pgd))
-		return 0;
+// 	pgd = pgd_offset_pgd(_init_top_pgt, addr);
+// 	if (pgd_none(*pgd))
+// 		return 0;
 
-	p4d = p4d_offset(pgd, addr);
-	if (!p4d_present(*p4d))
-		return 0;
+// 	p4d = p4d_offset(pgd, addr);
+// 	if (!p4d_present(*p4d))
+// 		return 0;
 
-	pud = pud_offset(p4d, addr);
-	if (!pud_present(*pud))
-		return 0;
+// 	pud = pud_offset(p4d, addr);
+// 	if (!pud_present(*pud))
+// 		return 0;
 
-	if (pud_large(*pud))
-		return 0;
+// 	if (pud_large(*pud))
+// 		return 0;
 
-	pmd = pmd_offset(pud, addr);
-	if (!pmd_present(*pmd))
-		return 0;
+// 	pmd = pmd_offset(pud, addr);
+// 	if (!pmd_present(*pmd))
+// 		return 0;
 
-	if (pmd_large(*pmd))
-		return 1;
+// 	if (pmd_large(*pmd))
+// 		return 1;
 
-	pte = pte_offset_kernel(pmd, addr);
-	if (pte_none(*pte))
-		return 0;
+// 	pte = pte_offset_kernel(pmd, addr);
+// 	if (pte_none(*pte))
+// 		return 0;
 
-	return 0;
-}
+// 	return 0;
+// }
 
 static int
 lkm_init(void)