[openeuler:OLK-5.10 2579/2579] kernel/sched/relationship.c:46:51: error: 'struct task_struct' has no member named 'mems_allowed'

14 Dec 2024

      tree:   https://gitee.com/openeuler/kernel.git OLK-5.10
head:   6c3413fbf8c430b89f5d23f465e10e99ea145199
commit: 2ac826b258e9aceefd719f7b0c3e3a9e73901ce5 [2579/2579] sched: Introduce task relationship by net and memory
config: arm64-randconfig-004-20241213 (https://download.01.org/0day-ci/archive/20241214/202412141314.NmcppncZ-lkp@i...)
compiler: aarch64-linux-gcc (GCC) 14.2.0
reproduce (this is a W=1 build): (https://download.01.org/0day-ci/archive/20241214/202412141314.NmcppncZ-lkp@i...)

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/202412141314.NmcppncZ-lkp@intel.com/

All errors (new ones prefixed by >>):

   In file included from include/linux/sched.h:23,
                    from arch/arm64/include/asm/compat.h:16,
                    from arch/arm64/include/asm/stat.h:13,
                    from include/linux/stat.h:6,
                    from include/linux/module.h:13,
                    from include/linux/bpf.h:20,
                    from include/linux/bpf_sched.h:5,
                    from kernel/sched/relationship.c:19:
   kernel/sched/relationship.c: In function 'task_relationship_supported':
...
...
kernel/sched/relationship.c:46:51: error: 'struct task_struct' has no member named 'mems_allowed'
      46 |                 !nodes_subset(node_online_map, tsk->mems_allowed) ||
         |                                                   ^~
   include/linux/nodemask.h:218:51: note: in definition of macro 'nodes_subset'
     218 |                         __nodes_subset(&(src1), &(src2), MAX_NUMNODES)
         |                                                   ^~~~
Kconfig warnings: (for reference only)
   WARNING: unmet direct dependencies detected for PGP_KEY_PARSER
   Depends on [n]: CRYPTO [=y] && ASYMMETRIC_KEY_TYPE [=y] && ASYMMETRIC_PUBLIC_KEY_SUBTYPE [=n]
   Selected by [y]:
   - PGP_PRELOAD [=y] && CRYPTO [=y] && ASYMMETRIC_KEY_TYPE [=y]

vim +46 kernel/sched/relationship.c

    38	
    39	bool task_relationship_supported(struct task_struct *tsk)
    40	{
    41		if (!task_relationship_used())
    42			return false;
    43	
    44		if (!tsk->rship || !tsk->mm ||
    45			!cpumask_subset(cpu_online_mask, tsk->cpus_ptr) ||
...
46			!nodes_subset(node_online_map, tsk->mems_allowed) ||
    47			get_task_policy(tsk)->mode == MPOL_BIND ||
    48			get_task_policy(tsk)->mode == MPOL_INTERLEAVE)
    49			return false;
    50	
    51		return true;
    52	}
    53
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