diff --git a/Makefile b/Makefile
index 2fe3c27..01627c5 100644
--- a/Makefile
+++ b/Makefile
@@ -79,6 +79,7 @@
 	@find inc/ -name \*.c -o -name \*.cc -o -name \*.h | xargs -r clang-format -style file -i
 	@find test/ -name \*.c -o -name \*.cc -o -name \*.h | xargs -r clang-format -style file -i
 	@find project/ -name \*.c -o -name \*.cc -o -name \*.h | xargs -r clang-format -style file -i
+	@find vmlib/ -name \*.c -o -name \*.cc -o -name \*.h | xargs -r clang-format -style file -i
 	@find . \( -name \*.gn -o -name \*.gni \) | xargs -n1 $(GN) format
 
 .PHONY: checkpatch
diff --git a/vmlib/spci.c b/vmlib/spci.c
index 59c36e4..37447e4 100644
--- a/vmlib/spci.c
+++ b/vmlib/spci.c
@@ -32,11 +32,12 @@
  * `memory_region` (attributes, constituents and memory region header size).
  */
 uint32_t spci_memory_region_init(
-	struct spci_memory_region *memory_region, spci_vm_id_t sender, spci_vm_id_t receiver,
+	struct spci_memory_region *memory_region, spci_vm_id_t sender,
+	spci_vm_id_t receiver,
 	const struct spci_memory_region_constituent constituents[],
-	uint32_t constituent_count, uint32_t tag, spci_memory_region_flags_t flags,
-	enum spci_memory_access access, enum spci_memory_type type,
-	enum spci_memory_cacheability cacheability,
+	uint32_t constituent_count, uint32_t tag,
+	spci_memory_region_flags_t flags, enum spci_memory_access access,
+	enum spci_memory_type type, enum spci_memory_cacheability cacheability,
 	enum spci_memory_shareability shareability)
 {
 	uint32_t constituents_length =