fix: mm: compaction: cleanup the compaction trace events (v5.18)

fix: mm: compaction: cleanup the compaction trace events (v5.18)

See upstream commit :

  commit abd4349ff9b8d242376b67711254221f64f447c7
  Author: Baolin Wang <baolin.wang@linux.alibaba.com>
  Date:   Tue Mar 22 14:45:56 2022 -0700

    mm: compaction: cleanup the compaction trace events

    As Steven suggested [1], we should access the pointers from the trace
    event to avoid dereferencing them to the tracepoint function when the
    tracepoint is disabled.

    [1] https://lkml.org/lkml/2021/11/3/409

Change-Id: I6c08250df8596e8dbc76780ae5d95c899c12e6fe
Signed-off-by: Michael Jeanson <mjeanson@efficios.com>
Signed-off-by: Mathieu Desnoyers <mathieu.desnoyers@efficios.com>