diff --git a/[refs] b/[refs]
index 7ec735f95042..7f7e99c2c11c 100644
--- a/[refs]
+++ b/[refs]
@@ -1,2 +1,2 @@
 ---
-refs/heads/master: 7a6a3a086fe60bb3b739f66e47dc5bbc8f530d32
+refs/heads/master: 1bc6f83813441d15a74dfa97966fb68fa1bdec76
diff --git a/trunk/arch/x86/kernel/amd_iommu_init.c b/trunk/arch/x86/kernel/amd_iommu_init.c
index ec72c7779d6b..c1b17e97252e 100644
--- a/trunk/arch/x86/kernel/amd_iommu_init.c
+++ b/trunk/arch/x86/kernel/amd_iommu_init.c
@@ -472,6 +472,8 @@ static u8 * __init alloc_event_buffer(struct amd_iommu *iommu)
 	if (iommu->evt_buf == NULL)
 		return NULL;
 
+	iommu->evt_buf_size = EVT_BUFFER_SIZE;
+
 	return iommu->evt_buf;
 }