Hi Elena, [auto build test ERROR on mmotm/master] [also build test ERROR on next-20170220] [cannot apply to linus/master linux/master] [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/Elena-Reshetova/mm-subsystem-refcounter-conversions/20170220-190351 base: git://git.cmpxchg.org/linux-mmotm.git master config: i386-tinyconfig (attached as .config) compiler: gcc-6 (Debian 6.2.0-3) 6.2.0 20160901 reproduce: # save the attached .config to linux build tree make ARCH=i386 All errors (new ones prefixed by >>): mm/backing-dev.c: In function 'cgwb_bdi_init': >> mm/backing-dev.c:798:13: error: passing argument 1 of 'atomic_set' from incompatible pointer type [-Werror=incompatible-pointer-types] atomic_set(&bdi->wb_congested->refcnt, 1); ^ In file included from include/linux/atomic.h:4:0, from arch/x86/include/asm/thread_info.h:53, from include/linux/thread_info.h:25, from arch/x86/include/asm/preempt.h:6, from include/linux/preempt.h:59, from include/linux/spinlock.h:50, from include/linux/wait.h:8, from mm/backing-dev.c:2: arch/x86/include/asm/atomic.h:36:29: note: expected 'atomic_t * {aka struct <anonymous> *}' but argument is of type 'refcount_t * {aka struct refcount_struct *}' static __always_inline void atomic_set(atomic_t *v, int i) ^~~~~~~~~~ cc1: some warnings being treated as errors vim +/atomic_set +798 mm/backing-dev.c a13f35e8 Tejun Heo 2015-07-02 792 int err; a13f35e8 Tejun Heo 2015-07-02 793 a13f35e8 Tejun Heo 2015-07-02 794 bdi->wb_congested = kzalloc(sizeof(*bdi->wb_congested), GFP_KERNEL); a13f35e8 Tejun Heo 2015-07-02 795 if (!bdi->wb_congested) a13f35e8 Tejun Heo 2015-07-02 796 return -ENOMEM; a13f35e8 Tejun Heo 2015-07-02 797 d3036542 mmotm auto import 2017-02-18 @798 atomic_set(&bdi->wb_congested->refcnt, 1); d3036542 mmotm auto import 2017-02-18 799 a13f35e8 Tejun Heo 2015-07-02 800 err = wb_init(&bdi->wb, bdi, 1, GFP_KERNEL); a13f35e8 Tejun Heo 2015-07-02 801 if (err) { :::::: The code at line 798 was first introduced by commit :::::: d3036542f0baefd61fb18ce9023c2cd96c89349c linux-next :::::: TO: mmotm auto import <mm-commits@xxxxxxxxxxxxxxx> :::::: CC: Johannes Weiner <hannes@xxxxxxxxxxx> --- 0-DAY kernel test infrastructure Open Source Technology Center https://lists.01.org/pipermail/kbuild-all Intel Corporation
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