ftrace_free_mem 174 include/linux/ftrace.h void ftrace_free_mem(struct module *mod, void *start, void *end); ftrace_free_mem 3619 kernel/module.c ftrace_free_mem(mod, mod->init_layout.base, mod->init_layout.base + ftrace_free_mem 6193 kernel/trace/ftrace.c ftrace_free_mem(NULL, start, end);