[zen:6.19/prjc 13/22] kernel/sched/alt_core.c:3092:13: error: static declaration of 'sched_mm_cid_fork' follows non-static declaration

[kernel test robot <lkp@intel.com>]

tree:   https://github.com/zen-kernel/zen-kernel 6.19/prjc
head:   14ff03aebefa493a7d7ecfcbff66ded1147dba3e
commit: 6a25699be0085c1c1ba0db370149e7256773b2e1 [13/22] sched/alt: [Sync] f0189d49282e sched/mmcid: Prevent CID stalls due to concurrent forks
config: mips-allyesconfig (https://download.01.org/0day-ci/archive/20260405/202604051620.LDzREpAp-lkp@intel.com/config)
compiler: mips-linux-gcc (GCC) 15.2.0
reproduce (this is a W=1 build): (https://download.01.org/0day-ci/archive/20260405/202604051620.LDzREpAp-lkp@intel.com/reproduce)

If you fix the issue in a separate patch/commit (i.e. not just a new version of
the same patch/commit), kindly add following tags
| Reported-by: kernel test robot <lkp@intel.com>
| Closes: https://lore.kernel.org/oe-kbuild-all/202604051620.LDzREpAp-lkp@intel.com/

All errors (new ones prefixed by >>):

>> kernel/sched/alt_core.c:3092:13: error: static declaration of 'sched_mm_cid_fork' follows non-static declaration
    3092 | static void sched_mm_cid_fork(struct task_struct *t);
         |             ^~~~~~~~~~~~~~~~~
   In file included from kernel/sched/alt_core.c:15:
   include/linux/sched.h:2351:6: note: previous declaration of 'sched_mm_cid_fork' with type 'void(struct task_struct *)'
    2351 | void sched_mm_cid_fork(struct task_struct *t);
         |      ^~~~~~~~~~~~~~~~~
   kernel/sched/alt_core.c: In function 'sched_init_topology_cpumask':
   kernel/sched/alt_core.c:6220:57: error: implicit declaration of function 'cpu_coregroup_mask' [-Wimplicit-function-declaration]
    6220 |                 per_cpu(sd_llc_id, cpu) = cpumask_first(cpu_coregroup_mask(cpu));
         |                                                         ^~~~~~~~~~~~~~~~~~
   kernel/sched/alt_core.c:6220:57: error: passing argument 1 of 'cpumask_first' makes pointer from integer without a cast [-Wint-conversion]
    6220 |                 per_cpu(sd_llc_id, cpu) = cpumask_first(cpu_coregroup_mask(cpu));
         |                                                         ^~~~~~~~~~~~~~~~~~~~~~~
         |                                                         |
         |                                                         int
   In file included from arch/mips/include/asm/processor.h:15,
                    from arch/mips/include/asm/thread_info.h:16,
                    from include/linux/thread_info.h:60,
                    from include/asm-generic/current.h:6,
                    from ./arch/mips/include/generated/asm/current.h:1,
                    from include/linux/sched.h:12:
   include/linux/cpumask.h:155:73: note: expected 'const struct cpumask *' but argument is of type 'int'
     155 | static __always_inline unsigned int cpumask_first(const struct cpumask *srcp)
         |                                                   ~~~~~~~~~~~~~~~~~~~~~~^~~~
   kernel/sched/alt_core.c:6222:45: error: passing argument 3 of 'cpumask_and' makes pointer from integer without a cast [-Wint-conversion]
    6222 |                 TOPOLOGY_CPUMASK(coregroup, cpu_coregroup_mask(cpu), false);
         |                                             ^~~~~~~~~~~~~~~~~~~~~~~
         |                                             |
         |                                             int
   kernel/sched/alt_core.c:6196:37: note: in definition of macro 'TOPOLOGY_CPUMASK'
    6196 |         if (cpumask_and(topo, topo, mask)) {                                    \
         |                                     ^~~~
   include/linux/cpumask.h:714:40: note: expected 'const struct cpumask *' but argument is of type 'int'
     714 |                  const struct cpumask *src2p)
         |                  ~~~~~~~~~~~~~~~~~~~~~~^~~~~
   kernel/sched/alt_core.c:6222:45: error: passing argument 2 of 'cpumask_copy' makes pointer from integer without a cast [-Wint-conversion]
    6222 |                 TOPOLOGY_CPUMASK(coregroup, cpu_coregroup_mask(cpu), false);
         |                                             ^~~~~~~~~~~~~~~~~~~~~~~
         |                                             |
         |                                             int
   kernel/sched/alt_core.c:6197:36: note: in definition of macro 'TOPOLOGY_CPUMASK'
    6197 |                 cpumask_copy(topo, mask);                                       \
         |                                    ^~~~
   include/linux/cpumask.h:932:63: note: expected 'const struct cpumask *' but argument is of type 'int'
     932 | void cpumask_copy(struct cpumask *dstp, const struct cpumask *srcp)
         |                                         ~~~~~~~~~~~~~~~~~~~~~~^~~~
   In file included from include/linux/cpumask.h:13:
   include/linux/cpumask_types.h:18:37: error: invalid type argument of '->' (have 'int')
      18 | #define cpumask_bits(maskp) ((maskp)->bits)
         |                                     ^~
   kernel/sched/alt_core.c:6202:55: note: in expansion of macro 'cpumask_bits'
    6202 |                 bitmap_complement(cpumask_bits(topo), cpumask_bits(mask),       \
         |                                                       ^~~~~~~~~~~~
   kernel/sched/alt_core.c:6222:17: note: in expansion of macro 'TOPOLOGY_CPUMASK'
    6222 |                 TOPOLOGY_CPUMASK(coregroup, cpu_coregroup_mask(cpu), false);
         |                 ^~~~~~~~~~~~~~~~


vim +/sched_mm_cid_fork +3092 kernel/sched/alt_core.c

  3091	
> 3092	static void sched_mm_cid_fork(struct task_struct *t);
  3093	

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