diff --git a/[refs] b/[refs]
index 67faafab3433..61089aa12719 100644
--- a/[refs]
+++ b/[refs]
@@ -1,2 +1,2 @@
 ---
-refs/heads/master: 3f4a739c6accd651a11fcf3c7a20ec8147c42660
+refs/heads/master: 55a8ba4b7f76bebd7e8ce3f74c04b140627a1bad
diff --git a/trunk/arch/x86/kernel/vmi_32.c b/trunk/arch/x86/kernel/vmi_32.c
index 1d3302cc2ddf..bef58b4982db 100644
--- a/trunk/arch/x86/kernel/vmi_32.c
+++ b/trunk/arch/x86/kernel/vmi_32.c
@@ -320,6 +320,16 @@ static void vmi_release_pmd(unsigned long pfn)
 	vmi_ops.release_page(pfn, VMI_PAGE_L2);
 }
 
+/*
+ * We use the pgd_free hook for releasing the pgd page:
+ */
+static void vmi_pgd_free(struct mm_struct *mm, pgd_t *pgd)
+{
+	unsigned long pfn = __pa(pgd) >> PAGE_SHIFT;
+
+	vmi_ops.release_page(pfn, VMI_PAGE_L2);
+}
+
 /*
  * Helper macros for MMU update flags.  We can defer updates until a flush
  * or page invalidation only if the update is to the current address space
@@ -762,6 +772,7 @@ static inline int __init activate_vmi(void)
 	if (vmi_ops.release_page) {
 		pv_mmu_ops.release_pte = vmi_release_pte;
 		pv_mmu_ops.release_pmd = vmi_release_pmd;
+		pv_mmu_ops.pgd_free = vmi_pgd_free;
 	}
 
 	/* Set linear is needed in all cases */