memory/SlicePool: move code to CreateArea()

Author: MaxKellermann

src/memory/SlicePool.cxx

@@ -297,17 +297,22 @@ SlicePool::FindNonFullArea() noexcept
 	return nullptr;
 }
 
+inline SliceArea &
+SlicePool::CreateArea() noexcept
+{
+	auto *area = SliceArea::New(*this);
+	area->ForkCow(fork_cow);
+	empty_areas.push_front(*area);
+	return *area;
+}
+
 inline SliceArea &
 SlicePool::MakeNonFullArea() noexcept
 {
-	SliceArea *area = FindNonFullArea();
-	if (area == nullptr) {
-		area = SliceArea::New(*this);
-		area->ForkCow(fork_cow);
-		empty_areas.push_front(*area);
-	}
+	if (SliceArea *area = FindNonFullArea())
+		return *area;
 
-	return *area;
+	return CreateArea();
 }
 
 inline void *

src/memory/SlicePool.hxx

@@ -90,5 +90,6 @@ private:
 	[[gnu::pure]]
 	SliceArea *FindNonFullArea() noexcept;
 
+	SliceArea &CreateArea() noexcept;
 	SliceArea &MakeNonFullArea() noexcept;
 };