Hi, [auto build test ERROR on next-20160607] [cannot apply to v4.7-rc2 v4.7-rc1 v4.6-rc7 v4.7-rc2] [if your patch is applied to the wrong git tree, please drop us a note to help improve the system] url: https://github.com/0day-ci/linux/commits/Michal-Hocko/mm-oom_reaper-make-sure-that-mmput_async-is-called-only-when-memory-was-reaped/20160607-211715 config: i386-defconfig (attached as .config) compiler: gcc-6 (Debian 6.1.1-1) 6.1.1 20160430 reproduce: # save the attached .config to linux build tree make ARCH=i386 All errors (new ones prefixed by >>): mm/oom_kill.c: In function '__oom_reap_task': >> mm/oom_kill.c:490:22: error: passing argument 1 of 'mmget_not_zero' from incompatible pointer type [-Werror=incompatible-pointer-types] if (!mmget_not_zero(&mm->mm_users)) { ^ In file included from include/linux/oom.h:5:0, from mm/oom_kill.c:20: include/linux/sched.h:2746:20: note: expected 'struct mm_struct *' but argument is of type 'atomic_t * {aka struct <anonymous> *}' static inline bool mmget_not_zero(struct mm_struct *mm) ^~~~~~~~~~~~~~ cc1: some warnings being treated as errors vim +/mmget_not_zero +490 mm/oom_kill.c 484 485 /* 486 * increase mm_users only after we know we will reap something so 487 * that the mmput_async is called only when we have reaped something 488 * and delayed __mmput doesn't matter that much 489 */ > 490 if (!mmget_not_zero(&mm->mm_users)) { 491 up_read(&mm->mmap_sem); 492 goto mm_drop; 493 } --- 0-DAY kernel test infrastructure Open Source Technology Center https://lists.01.org/pipermail/kbuild-all Intel Corporation
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