src/java.base/share/classes/sun/nio/ch/FileChannelImpl.java

rev 58228 : 8238665: Add JFR event for direct memory statistics

*** 43,57 ****
  import java.nio.channels.SelectableChannel;
  import java.nio.channels.WritableByteChannel;
  import java.util.Objects;
  
  import jdk.internal.access.JavaIOFileDescriptorAccess;
- import jdk.internal.access.JavaNioAccess;
  import jdk.internal.access.SharedSecrets;
  import jdk.internal.misc.ExtendedMapMode;
  import jdk.internal.misc.Unsafe;
  import jdk.internal.misc.VM;
  import jdk.internal.ref.Cleaner;
  import jdk.internal.ref.CleanerFactory;
  
  import jdk.internal.access.foreign.UnmapperProxy;
  
--- 43,57 ----
  import java.nio.channels.SelectableChannel;
  import java.nio.channels.WritableByteChannel;
  import java.util.Objects;
  
  import jdk.internal.access.JavaIOFileDescriptorAccess;
  import jdk.internal.access.SharedSecrets;
  import jdk.internal.misc.ExtendedMapMode;
  import jdk.internal.misc.Unsafe;
  import jdk.internal.misc.VM;
+ import jdk.internal.misc.VM.BufferPool;
  import jdk.internal.ref.Cleaner;
  import jdk.internal.ref.CleanerFactory;
  
  import jdk.internal.access.foreign.UnmapperProxy;
  
*** 1158,1169 ****
  
      /**
       * Invoked by sun.management.ManagementFactoryHelper to create the management
       * interface for mapped buffers.
       */
!     public static JavaNioAccess.BufferPool getMappedBufferPool() {
!         return new JavaNioAccess.BufferPool() {
              @Override
              public String getName() {
                  return "mapped";
              }
              @Override
--- 1158,1169 ----
  
      /**
       * Invoked by sun.management.ManagementFactoryHelper to create the management
       * interface for mapped buffers.
       */
!     public static BufferPool getMappedBufferPool() {
!         return new BufferPool() {
              @Override
              public String getName() {
                  return "mapped";
              }
              @Override
*** 1183,1194 ****
  
      /**
       * Invoked by sun.management.ManagementFactoryHelper to create the management
       * interface for sync mapped buffers.
       */
!     public static JavaNioAccess.BufferPool getSyncMappedBufferPool() {
!         return new JavaNioAccess.BufferPool() {
              @Override
              public String getName() {
                  return "mapped - 'non-volatile memory'";
              }
              @Override
--- 1183,1194 ----
  
      /**
       * Invoked by sun.management.ManagementFactoryHelper to create the management
       * interface for sync mapped buffers.
       */
!     public static BufferPool getSyncMappedBufferPool() {
!         return new BufferPool() {
              @Override
              public String getName() {
                  return "mapped - 'non-volatile memory'";
              }
              @Override