From 9b930ae5d3a3d9265fa25fe309530be4587a0209 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Thomas=20Lov=C3=A9n?= <thomasloven@gmail.com>
Date: Thu, 21 Dec 2017 15:11:01 +0100
Subject: [PATCH] PMM - alloc return 0 if no free pages

---
 src/kernel/memory/pmm.tt | 5 +++++
 1 file changed, 5 insertions(+)

diff --git a/src/kernel/memory/pmm.tt b/src/kernel/memory/pmm.tt
index eff76e4..59ca725 100644
--- a/src/kernel/memory/pmm.tt
+++ b/src/kernel/memory/pmm.tt
@@ -13,3 +13,8 @@ TEST(alloc_returns_freed_page)
   void *a = pmm_alloc();
   ASSERT_EQ_PTR(a, &mem[0]);
 }
+TEST(alloc_returns_0_if_no_free_pages)
+{
+  void *a = pmm_alloc();
+  ASSERT_EQ_PTR(a, 0);
+}