Hi,

[auto build test ERROR on next-20160426]
[cannot apply to tip/sched/core v4.6-rc5 v4.6-rc4 v4.6-rc3 v4.6-rc5]
[if your patch is applied to the wrong git tree, please drop us a note to help improving the system]

url:    https://github.com/0day-ci/linux/commits/Michal-Hocko/mm-oom_reaper-hide-oom-reaped-tasks-from-OOM-killer-more-carefully/20160426-220841
config: x86_64-randconfig-x010-201617 (attached as .config)
compiler: 
reproduce:
        # save the attached .config to linux build tree
        make ARCH=x86_64 

All errors (new ones prefixed by >>):

   In file included from include/linux/sched.h:27:0,
                    from include/linux/oom.h:5,
                    from mm/oom_kill.c:20:
>> include/linux/mm_types.h:516:21: error: field 'async_put_work' has incomplete type
     struct work_struct async_put_work;
                        ^

vim +/async_put_work +516 include/linux/mm_types.h

   510		/* address of the bounds directory */
   511		void __user *bd_addr;
   512	#endif
   513	#ifdef CONFIG_HUGETLB_PAGE
   514		atomic_long_t hugetlb_usage;
   515	#endif
 > 516		struct work_struct async_put_work;
   517	};
   518	
   519	static inline void mm_init_cpumask(struct mm_struct *mm)

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