kprobe_sysctl_mutex 892 kernel/kprobes.c static DEFINE_MUTEX(kprobe_sysctl_mutex); kprobe_sysctl_mutex 900 kernel/kprobes.c mutex_lock(&kprobe_sysctl_mutex); kprobe_sysctl_mutex 908 kernel/kprobes.c mutex_unlock(&kprobe_sysctl_mutex);