The commit 337015573718b161 ("printk: Userspace format indexing support") triggered the following build failure: kernel/printk/index.c:140:6: warning: no previous prototype for ‘pi_create_file’ [-Wmissing-prototypes] void pi_create_file(struct module *mod) ^~~~~~~~~~~~~~ kernel/printk/index.c:146:6: warning: no previous prototype for ‘pi_remove_file’ [-Wmissing-prototypes] void pi_remove_file(struct module *mod) ^~~~~~~~~~~~~~ Fixes: 337015573718b161 ("printk: Userspace format indexing support") Reported-by: kernel test robot <lkp@intel.com> Suggested-by: Chris Down <chris@chrisdown.name> [pmladek@suse.com: Let the compiler decide about inlining.] Signed-off-by: Petr Mladek <pmladek@suse.com> Link: https://lore.kernel.org/lkml/YPql089IwSpudw%2F1@alley/