[mcgrof-next:20211118-sysctl-cleanups-set-04-v2 34/36] fs/pipe.c:1498:67: error: macro "register_sysctl_init" passed 3 arguments, but takes just 2

[mcgrof-next:20211118-sysctl-cleanups-set-04-v2 34/36] fs/pipe.c:1498:67: error: macro "register_sysctl_init" passed 3 arguments, but takes just 2

[kernel test robot]

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tree:   https://git.kernel.org/pub/scm/linux/kernel/git/mcgrof/linux-next.git 20211118-sysctl-cleanups-set-04-v2
head:   3110d41a56792588bd2f64621080948b0fceb6ab
commit: 08083da6a8f2a955383155397792120ffc520978 [34/36] fs: move pipe sysctls to is own file
config: nds32-allnoconfig (attached as .config)
compiler: nds32le-linux-gcc (GCC) 11.2.0
reproduce (this is a W=1 build):
        wget https://raw.githubusercontent.com/intel/lkp-tests/master/sbin/make.cross -O ~/bin/make.cross
        chmod +x ~/bin/make.cross
        # https://git.kernel.org/pub/scm/linux/kernel/git/mcgrof/linux-next.git/commit/?id=08083da6a8f2a955383155397792120ffc520978
        git remote add mcgrof-next https://git.kernel.org/pub/scm/linux/kernel/git/mcgrof/linux-next.git
        git fetch --no-tags mcgrof-next 20211118-sysctl-cleanups-set-04-v2
        git checkout 08083da6a8f2a955383155397792120ffc520978
        # save the attached .config to linux build tree
        mkdir build_dir
        COMPILER_INSTALL_PATH=$HOME/0day COMPILER=gcc-11.2.0 make.cross O=build_dir ARCH=nds32 SHELL=/bin/bash

If you fix the issue, kindly add following tag as appropriate
Reported-by: kernel test robot <lkp@intel.com>

All errors (new ones prefixed by >>):

   fs/pipe.c:756:15: warning: no previous prototype for 'account_pipe_buffers' [-Wmissing-prototypes]
     756 | unsigned long account_pipe_buffers(struct user_struct *user,
         |               ^~~~~~~~~~~~~~~~~~~~
   fs/pipe.c:762:6: warning: no previous prototype for 'too_many_pipe_buffers_soft' [-Wmissing-prototypes]
     762 | bool too_many_pipe_buffers_soft(unsigned long user_bufs)
         |      ^~~~~~~~~~~~~~~~~~~~~~~~~~
   fs/pipe.c:769:6: warning: no previous prototype for 'too_many_pipe_buffers_hard' [-Wmissing-prototypes]
     769 | bool too_many_pipe_buffers_hard(unsigned long user_bufs)
         |      ^~~~~~~~~~~~~~~~~~~~~~~~~~
   fs/pipe.c:776:6: warning: no previous prototype for 'pipe_is_unprivileged_user' [-Wmissing-prototypes]
     776 | bool pipe_is_unprivileged_user(void)
         |      ^~~~~~~~~~~~~~~~~~~~~~~~~
   fs/pipe.c:1246:5: warning: no previous prototype for 'pipe_resize_ring' [-Wmissing-prototypes]
    1246 | int pipe_resize_ring(struct pipe_inode_info *pipe, unsigned int nr_slots)
         |     ^~~~~~~~~~~~~~~~
   fs/pipe.c: In function 'init_pipe_fs':
>> fs/pipe.c:1498:67: error: macro "register_sysctl_init" passed 3 arguments, but takes just 2
    1498 |         register_sysctl_init("fs", fs_pipe_sysctls, "pipe_sysctls");
         |                                                                   ^
   In file included from include/linux/key.h:17,
                    from include/linux/cred.h:13,
                    from include/linux/sched/signal.h:10,
                    from include/linux/rcuwait.h:6,
                    from include/linux/percpu-rwsem.h:7,
                    from include/linux/fs.h:33,
                    from include/linux/huge_mm.h:8,
                    from include/linux/mm.h:717,
                    from fs/pipe.c:8:
   include/linux/sysctl.h:220: note: macro "register_sysctl_init" defined here
     220 | #define register_sysctl_init(path, table) __register_sysctl_init(path, table, #table)
         | 
>> fs/pipe.c:1498:9: error: 'register_sysctl_init' undeclared (first use in this function); did you mean 'register_sysctl_paths'?
    1498 |         register_sysctl_init("fs", fs_pipe_sysctls, "pipe_sysctls");
         |         ^~~~~~~~~~~~~~~~~~~~
         |         register_sysctl_paths
   fs/pipe.c:1498:9: note: each undeclared identifier is reported only once for each function it appears in
   At top level:
   fs/pipe.c:1460:25: warning: 'fs_pipe_sysctls' defined but not used [-Wunused-variable]
    1460 | static struct ctl_table fs_pipe_sysctls[] = {
         |                         ^~~~~~~~~~~~~~~


vim +/register_sysctl_init +1498 fs/pipe.c

  1485	
  1486	static int __init init_pipe_fs(void)
  1487	{
  1488		int err = register_filesystem(&pipe_fs_type);
  1489	
  1490		if (!err) {
  1491			pipe_mnt = kern_mount(&pipe_fs_type);
  1492			if (IS_ERR(pipe_mnt)) {
  1493				err = PTR_ERR(pipe_mnt);
  1494				unregister_filesystem(&pipe_fs_type);
  1495			}
  1496		}
  1497	#ifdef CONFIG_SYSCTL
> 1498		register_sysctl_init("fs", fs_pipe_sysctls, "pipe_sysctls");
  1499	#endif
  1500		return err;
  1501	}
  1502	

---
0-DAY CI Kernel Test Service, Intel Corporation
https://lists.01.org/hyperkitty/list/kbuild-all@lists.01.org

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