diff --git a/[refs] b/[refs]
index 266304862c33..20d2d4f87f1d 100644
--- a/[refs]
+++ b/[refs]
@@ -1,2 +1,2 @@
 ---
-refs/heads/master: 68589bc353037f233fe510ad9ff432338c95db66
+refs/heads/master: cb07c9a1864a8eac9f3123e428100d5b2a16e65a
diff --git a/trunk/mm/mmap.c b/trunk/mm/mmap.c
index bdace87d7c01..2526463c99a7 100644
--- a/trunk/mm/mmap.c
+++ b/trunk/mm/mmap.c
@@ -1880,6 +1880,10 @@ unsigned long do_brk(unsigned long addr, unsigned long len)
 	if ((addr + len) > TASK_SIZE || (addr + len) < addr)
 		return -EINVAL;
 
+	error = is_hugepage_only_range(current->mm, addr, len);
+	if (error)
+		return error;
+
 	flags = VM_DATA_DEFAULT_FLAGS | VM_ACCOUNT | mm->def_flags;
 
 	error = arch_mmap_check(addr, len, flags);