[for-next][PATCH 0/4] tracing: Some more updates for 4.15

[Steven Rostedt]

  git://git.kernel.org/pub/scm/linux/kernel/git/rostedt/linux-trace.git
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Head SHA1: f40a37cb4916f17806b8a89d8eb76f6943c69189


Arnd Bergmann (1):
      tracing: mark trace_test_buffer as __maybe_unused

Steven Rostedt (VMware) (3):
      printk: Remove superfluous memory barriers from printk_safe
      tracing/xen: Hide events that are not used when X86_PAE is not defined
      tracing, memcg, vmscan: Hide trace events when not in use

----
 include/trace/events/vmscan.h |  4 ++++
 include/trace/events/xen.h    | 35 +++++++++++++++++++----------------
 kernel/printk/printk_safe.c   | 15 ++++++++-------
 kernel/trace/trace_selftest.c |  2 +-
 4 files changed, 32 insertions(+), 24 deletions(-)