Messages in this thread Patch in this message | | | Date | Thu, 21 Feb 2013 10:33:33 +0800 | From | Li Zefan <> | Subject | [PATCH 3/4] tracing: Annotate event field-defining functions with __init |
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Those functions are called either during kernel boot or module init.
Before:
$ dmesg | grep 'Freeing unused kernel memory' Freeing unused kernel memory: 1208k freed Freeing unused kernel memory: 1360k freed Freeing unused kernel memory: 1960k freed
After:
$ dmesg | grep 'Freeing unused kernel memory' Freeing unused kernel memory: 1236k freed Freeing unused kernel memory: 1388k freed Freeing unused kernel memory: 1960k freed
Signed-off-by: Li Zefan <lizefan@huawei.com> --- include/trace/ftrace.h | 2 +- kernel/trace/trace_export.c | 2 +- 2 files changed, 2 insertions(+), 2 deletions(-)
diff --git a/include/trace/ftrace.h b/include/trace/ftrace.h index 20b6005..dc18af3 100644 --- a/include/trace/ftrace.h +++ b/include/trace/ftrace.h @@ -324,7 +324,7 @@ static struct trace_event_functions ftrace_event_type_funcs_##call = { \ #undef DECLARE_EVENT_CLASS #define DECLARE_EVENT_CLASS(call, proto, args, tstruct, func, print) \ -static int notrace \ +static int notrace __init \ ftrace_define_fields_##call(struct ftrace_event_call *event_call) \ { \ struct ftrace_raw_##call field; \ diff --git a/kernel/trace/trace_export.c b/kernel/trace/trace_export.c index e039906..4f6a91c 100644 --- a/kernel/trace/trace_export.c +++ b/kernel/trace/trace_export.c @@ -129,7 +129,7 @@ static void __always_unused ____ftrace_check_##name(void) \ #undef FTRACE_ENTRY #define FTRACE_ENTRY(name, struct_name, id, tstruct, print, filter) \ -int \ +static int __init \ ftrace_define_fields_##name(struct ftrace_event_call *event_call) \ { \ struct struct_name field; \ -- 1.8.0.2
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