git: openjdk/jdk16: 8259032: MappedMemorySegmentImpl#makeMappedSegment() ignores Unmapper#pagePosition

[Maurizio Cimadamore]

Changeset: e66187d8
Author:    Maurizio Cimadamore <mcimadamore at openjdk.org>
Date:      2021-01-06 12:18:43 +0000
URL:       https://git.openjdk.java.net/jdk16/commit/e66187d8

8259032: MappedMemorySegmentImpl#makeMappedSegment() ignores Unmapper#pagePosition

Co-authored-by: Uwe Schindler <uschindler at openjdk.org>
Reviewed-by: alanb

! src/java.base/share/classes/sun/nio/ch/FileChannelImpl.java
! test/jdk/java/foreign/TestByteBuffer.java