src/java.base/share/classes/jdk/internal/misc/VM.java

*** 146,10 ***
--- 146,11 ---
      }
  
      // User-controllable flag that determines if direct buffers should be page
      // aligned. The "-XX:+PageAlignDirectMemory" option can be used to force
      // buffers, allocated by ByteBuffer.allocateDirect, to be page aligned.
+     @Stable
      private static boolean pageAlignDirectMemory;
  
      // Returns {@code true} if the direct buffers should be page aligned. This
      // variable is initialized by saveAndRemoveProperties.
      public static boolean isDirectMemoryPageAligned() {