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Subject[for-next][PATCH 4/6] ftrace: Remove unused pointer ftrace_swapper_pid
From: Colin Ian King <colin.king@canonical.com>

Pointer ftrace_swapper_pid is defined but is never used hence it is
redundant and can be removed. The use of this variable was removed
in commit 345ddcc882d8 ("ftrace: Have set_ftrace_pid use the bitmap
like events do").

Cleans up clang warning:
warning: 'ftrace_swapper_pid' defined but not used [-Wunused-const-variable=]

Link: http://lkml.kernel.org/r/20180809125609.13142-1-colin.king@canonical.com

Signed-off-by: Colin Ian King <colin.king@canonical.com>
Signed-off-by: Steven Rostedt (VMware) <rostedt@goodmis.org>
---
kernel/trace/ftrace.c | 2 --
1 file changed, 2 deletions(-)

diff --git a/kernel/trace/ftrace.c b/kernel/trace/ftrace.c
index 2d795193024b..48b5b466ec7a 100644
--- a/kernel/trace/ftrace.c
+++ b/kernel/trace/ftrace.c
@@ -1020,8 +1020,6 @@ static __init void ftrace_profile_tracefs(struct dentry *d_tracer)
}
#endif /* CONFIG_FUNCTION_PROFILER */

-static struct pid * const ftrace_swapper_pid = &init_struct_pid;
-
#ifdef CONFIG_FUNCTION_GRAPH_TRACER
static int ftrace_graph_active;
#else
--
2.18.0

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