diff --git a/gsk/gpu/gskgpubuffer.c b/gsk/gpu/gskgpubuffer.c
index e8521defb0..961bfb2a5c 100644
--- a/gsk/gpu/gskgpubuffer.c
+++ b/gsk/gpu/gskgpubuffer.c
@@ -52,11 +52,11 @@ gsk_gpu_buffer_map (GskGpuBuffer *self)
 
 void
 gsk_gpu_buffer_unmap (GskGpuBuffer *self,
-                      gsize         size)
+                      gsize         used)
 {
-  GSK_GPU_BUFFER_GET_CLASS (self)->unmap (self, size);
+  GSK_GPU_BUFFER_GET_CLASS (self)->unmap (self, used);
 
-  profiler_buffer_uploads += size;
+  profiler_buffer_uploads += used;
   gdk_profiler_set_int_counter (profiler_buffer_uploads_id, profiler_buffer_uploads);
 }
 
diff --git a/gsk/gpu/gskvulkanmemoryprivate.h b/gsk/gpu/gskvulkanmemoryprivate.h
index 5fa7f615de..fdc6bbea07 100644
--- a/gsk/gpu/gskvulkanmemoryprivate.h
+++ b/gsk/gpu/gskvulkanmemoryprivate.h
@@ -44,8 +44,8 @@ static inline void      gsk_vulkan_free                                 (GskVulk
                                                                          GskVulkanAllocation            *alloc);
 
 static inline GskVulkanAllocator *
-                        gsk_vulkan_allocator_ref                        (GskVulkanAllocator             *allocator);
-static inline void      gsk_vulkan_allocator_unref                      (GskVulkanAllocator             *allocator);
+                        gsk_vulkan_allocator_ref                        (GskVulkanAllocator             *self);
+static inline void      gsk_vulkan_allocator_unref                      (GskVulkanAllocator             *self);
 
 GskVulkanAllocator *    gsk_vulkan_direct_allocator_new                 (VkDevice                        device,
                                                                          uint32_t                        vk_type_index,