Having two fields within the same struct that is off by one character
can be confusing and error prone. Rename the counter "trampolines"
to "nr_trampolines" to explicitly show it is a counter and not to
be confused by the "trampoline" field.
Suggested-by: NOleg Nesterov <oleg@redhat.com>
Signed-off-by: NSteven Rostedt <rostedt@goodmis.org>