trace: fix the errors caused by incompatible type of RCU variables
The variables which are processed by RCU functions should be annotated as RCU, otherwise sparse will report the errors like below: "error: incompatible types in comparison expression (different address spaces)" Link: http://lkml.kernel.org/r/1496823171-7758-1-git-send-email-zhang.chunyan@linaro.orgSigned-off-by: NChunyan Zhang <zhang.chunyan@linaro.org> [ Updated to not be 100% 80 column strict ] Signed-off-by: NSteven Rostedt (VMware) <rostedt@goodmis.org>
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