[for-next][PATCH 1/3] ftrace: Decrement count for dyn_ftrace_total_info for init functions

From: Steven Rostedt
Date: Thu Jul 06 2017 - 08:29:09 EST


From: "Steven Rostedt (VMware)" <rostedt@xxxxxxxxxxx>

Init boot up functions may be traced, but they are also freed when the
kernel finishes booting. These are removed from the ftrace tables, and the
debug variable for dyn_ftrace_total_info needs to reflect that as well.

Signed-off-by: Steven Rostedt (VMware) <rostedt@xxxxxxxxxxx>
---
kernel/trace/ftrace.c | 1 +
1 file changed, 1 insertion(+)

diff --git a/kernel/trace/ftrace.c b/kernel/trace/ftrace.c
index 2c79630cd267..e392f750a1cf 100644
--- a/kernel/trace/ftrace.c
+++ b/kernel/trace/ftrace.c
@@ -5825,6 +5825,7 @@ void __init ftrace_free_init_mem(void)
if (!rec)
continue;
pg->index--;
+ ftrace_update_tot_cnt--;
if (!pg->index) {
*last_pg = pg->next;
order = get_count_order(pg->size / ENTRIES_PER_PAGE);
--
2.10.2