tracing/syscalls: Annotate raw_init function with __init

init_syscall_trace() can only be called during kernel bootup only, so we can
mark it and the functions it calls as __init.

Link: http://lkml.kernel.org/r/51528E89.6080508@huawei.com
Signed-off-by: Li Zefan <lizefan@huawei.com>
Signed-off-by: Steven Rostedt <rostedt@goodmis.org>

diff --git a/kernel/trace/trace_syscalls.c b/kernel/trace/trace_syscalls.c
index 8fd0365..559329d 100644 (file)
--- a/kernel/trace/trace_syscalls.c
+++ b/kernel/trace/trace_syscalls.c
@@ -200,8 +200,8 @@ extern char *__bad_type_size(void);
                #type, #name, offsetof(typeof(trace), name),            \
                sizeof(trace.name), is_signed_type(type)
 
-static
-int  __set_enter_print_fmt(struct syscall_metadata *entry, char *buf, int len)
+static int __init
+__set_enter_print_fmt(struct syscall_metadata *entry, char *buf, int len)
 {
        int i;
        int pos = 0;
@@ -228,7 +228,7 @@ int  __set_enter_print_fmt(struct syscall_metadata *entry, char *buf, int len)
        return pos;
 }
 
-static int set_syscall_print_fmt(struct ftrace_event_call *call)
+static int __init set_syscall_print_fmt(struct ftrace_event_call *call)
 {
        char *print_fmt;
        int len;
@@ -253,7 +253,7 @@ static int set_syscall_print_fmt(struct ftrace_event_call *call)
        return 0;
 }
 
-static void free_syscall_print_fmt(struct ftrace_event_call *call)
+static void __init free_syscall_print_fmt(struct ftrace_event_call *call)
 {
        struct syscall_metadata *entry = call->data;
 
@@ -459,7 +459,7 @@ static void unreg_event_syscall_exit(struct ftrace_event_file *file,
        mutex_unlock(&syscall_trace_lock);
 }
 
-static int init_syscall_trace(struct ftrace_event_call *call)
+static int __init init_syscall_trace(struct ftrace_event_call *call)
 {
        int id;
        int num;