heap: make one global instance of DirectAllocator

it is now stateless, so the de/init are not necessary anymore

1 files changed, 2 insertions, 5 deletions

diff --git a/std/mutex.zig b/std/mutex.zig
index 6b8e586ea8..5f3b9272d9 100644
--- a/std/mutex.zig
+++ b/std/mutex.zig
@@ -130,11 +130,8 @@ const TestContext = struct {
 };
 
 test "std.Mutex" {
-    var direct_allocator = std.heap.DirectAllocator.init();
-    defer direct_allocator.deinit();
-
-    var plenty_of_memory = try direct_allocator.allocator.alloc(u8, 300 * 1024);
-    defer direct_allocator.allocator.free(plenty_of_memory);
+    var plenty_of_memory = try std.heap.direct_allocator.alloc(u8, 300 * 1024);
+    defer std.heap.direct_allocator.free(plenty_of_memory);
 
     var fixed_buffer_allocator = std.heap.ThreadSafeFixedBufferAllocator.init(plenty_of_memory);
     var a = &fixed_buffer_allocator.allocator;