1 files changed, 10 insertions, 1 deletions

diff --git a/arch/arm/mm/dma-mapping.c b/arch/arm/mm/dma-mapping.c
index 4771dba61448..82a093cee09a 100644
--- a/arch/arm/mm/dma-mapping.c
+++ b/arch/arm/mm/dma-mapping.c
@@ -149,6 +149,7 @@ static int __init consistent_init(void)
 {
         int ret = 0;
         pgd_t *pgd;
+        pud_t *pud;
         pmd_t *pmd;
         pte_t *pte;
         int i = 0;
@@ -156,7 +157,15 @@ static int __init consistent_init(void)
 
         do {
                 pgd = pgd_offset(&init_mm, base);
-                pmd = pmd_alloc(&init_mm, pgd, base);
+
+                pud = pud_alloc(&init_mm, pgd, base);
+                if (!pud) {
+                        printk(KERN_ERR "%s: no pud tables\n", __func__);
+                        ret = -ENOMEM;
+                        break;
+                }
+
+                pmd = pmd_alloc(&init_mm, pud, base);
                 if (!pmd) {
                         printk(KERN_ERR "%s: no pmd tables\n", __func__);
                         ret = -ENOMEM;