[brauner:clone_into_cgroup 4/5] include/linux/cgroup.h:719:14: warning: 'struct kernel_clone_args' declared inside parameter list will not be visible outside of this definition or declaration

[brauner:clone_into_cgroup 4/5] include/linux/cgroup.h:719:14: warning: 'struct kernel_clone_args' declared inside parameter list will not be visible outside of this definition or declaration

[kbuild test robot]

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tree:   https://git.kernel.org/pub/scm/linux/kernel/git/brauner/linux.git clone_into_cgroup
head:   bcee1c13b6d8b10d4760fb74c4dfd3c0fe7d8414
commit: 5f6ef2aac1cac9e3925f2447e2a8738ce13a7153 [4/5] clone3: allow spawning processes into cgroups
config: xtensa-common_defconfig (attached as .config)
compiler: xtensa-linux-gcc (GCC) 7.5.0
reproduce:
        wget https://raw.githubusercontent.com/intel/lkp-tests/master/sbin/make.cross -O ~/bin/make.cross
        chmod +x ~/bin/make.cross
        git checkout 5f6ef2aac1cac9e3925f2447e2a8738ce13a7153
        # save the attached .config to linux build tree
        GCC_VERSION=7.5.0 make.cross ARCH=xtensa 

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

All warnings (new ones prefixed by >>):

   In file included from include/linux/memcontrol.h:13:0,
                    from include/linux/swap.h:9,
                    from include/linux/suspend.h:5,
                    from init/do_mounts.c:7:
>> include/linux/cgroup.h:719:14: warning: 'struct kernel_clone_args' declared inside parameter list will not be visible outside of this definition or declaration
          struct kernel_clone_args *kargs) { return 0; }
                 ^~~~~~~~~~~~~~~~~
   include/linux/cgroup.h:722:18: warning: 'struct kernel_clone_args' declared inside parameter list will not be visible outside of this definition or declaration
              struct kernel_clone_args *kargs) {};
                     ^~~~~~~~~~~~~~~~~
   include/linux/cgroup.h:725:16: warning: 'struct kernel_clone_args' declared inside parameter list will not be visible outside of this definition or declaration
            struct kernel_clone_args *kargs) {};
                   ^~~~~~~~~~~~~~~~~

vim +719 include/linux/cgroup.h

   707	
   708	static inline u64 cgroup_id(struct cgroup *cgrp) { return 1; }
   709	static inline void css_get(struct cgroup_subsys_state *css) {}
   710	static inline void css_put(struct cgroup_subsys_state *css) {}
   711	static inline int cgroup_attach_task_all(struct task_struct *from,
   712						 struct task_struct *t) { return 0; }
   713	static inline int cgroupstats_build(struct cgroupstats *stats,
   714					    struct dentry *dentry) { return -EINVAL; }
   715	
   716	static inline void cgroup_fork(struct task_struct *p) {}
   717	static inline int cgroup_can_fork(struct task_struct *parent,
   718					  struct task_struct *child,
 > 719					  struct kernel_clone_args *kargs) { return 0; }
   720	static inline void cgroup_cancel_fork(struct task_struct *parent,
   721					      struct task_struct *child,
   722					      struct kernel_clone_args *kargs) {};
   723	static inline void cgroup_post_fork(struct task_struct *parent,
   724					    struct task_struct *child,
   725					    struct kernel_clone_args *kargs) {};
   726	static inline void cgroup_exit(struct task_struct *p) {}
   727	static inline void cgroup_release(struct task_struct *p) {}
   728	static inline void cgroup_free(struct task_struct *p) {}
   729	

---
0-DAY kernel test infrastructure                 Open Source Technology Center
https://lists.01.org/hyperkitty/list/kbuild-all(a)lists.01.org Intel Corporation

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