Hi Michal, [auto build test ERROR on cgroup/for-next] [also build test ERROR on v4.13-rc2 next-20170728] [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-do-not-rely-on-TIF_MEMDIE-for-memory-reserves-access/20170728-101955 base: https://git.kernel.org/pub/scm/linux/kernel/git/tj/cgroup.git for-next config: i386-randconfig-c0-07291424 (attached as .config) compiler: gcc-4.9 (Debian 4.9.4-2) 4.9.4 reproduce: # save the attached .config to linux build tree make ARCH=i386 All errors (new ones prefixed by >>): In file included from include/linux/ioport.h:12:0, from include/linux/device.h:16, from include/linux/node.h:17, from include/linux/cpu.h:16, from kernel/cgroup/cpuset.c:25: kernel/cgroup/cpuset.c: In function '__cpuset_node_allowed': >> include/linux/compiler.h:123:18: error: implicit declaration of function 'tsk_is_oom_victim' [-Werror=implicit-function-declaration] static struct ftrace_likely_data \ ^ include/linux/compiler.h:156:30: note: in definition of macro '__trace_if' if (__builtin_constant_p(!!(cond)) ? !!(cond) : \ ^ kernel/cgroup/cpuset.c:2546:2: note: in expansion of macro 'if' if (unlikely(tsk_is_oom_victim(current))) ^ include/linux/compiler.h:146:24: note: in expansion of macro '__branch_check__' # define unlikely(x) (__branch_check__(x, 0, __builtin_constant_p(x))) ^ kernel/cgroup/cpuset.c:2546:6: note: in expansion of macro 'unlikely' if (unlikely(tsk_is_oom_victim(current))) ^ cc1: some warnings being treated as errors -- In file included from include/linux/ioport.h:12:0, from include/linux/device.h:16, from include/linux/node.h:17, from include/linux/cpu.h:16, from kernel//cgroup/cpuset.c:25: kernel//cgroup/cpuset.c: In function '__cpuset_node_allowed': >> include/linux/compiler.h:123:18: error: implicit declaration of function 'tsk_is_oom_victim' [-Werror=implicit-function-declaration] static struct ftrace_likely_data \ ^ include/linux/compiler.h:156:30: note: in definition of macro '__trace_if' if (__builtin_constant_p(!!(cond)) ? !!(cond) : \ ^ kernel//cgroup/cpuset.c:2546:2: note: in expansion of macro 'if' if (unlikely(tsk_is_oom_victim(current))) ^ include/linux/compiler.h:146:24: note: in expansion of macro '__branch_check__' # define unlikely(x) (__branch_check__(x, 0, __builtin_constant_p(x))) ^ kernel//cgroup/cpuset.c:2546:6: note: in expansion of macro 'unlikely' if (unlikely(tsk_is_oom_victim(current))) ^ cc1: some warnings being treated as errors vim +/tsk_is_oom_victim +123 include/linux/compiler.h 1f0d69a9 Steven Rostedt 2008-11-12 120 d45ae1f7 Steven Rostedt (VMware 2017-01-17 121) #define __branch_check__(x, expect, is_constant) ({ \ 1f0d69a9 Steven Rostedt 2008-11-12 122 int ______r; \ 134e6a03 Steven Rostedt (VMware 2017-01-19 @123) static struct ftrace_likely_data \ 1f0d69a9 Steven Rostedt 2008-11-12 124 __attribute__((__aligned__(4))) \ 45b79749 Steven Rostedt 2008-11-21 125 __attribute__((section("_ftrace_annotated_branch"))) \ 1f0d69a9 Steven Rostedt 2008-11-12 126 ______f = { \ 134e6a03 Steven Rostedt (VMware 2017-01-19 127) .data.func = __func__, \ 134e6a03 Steven Rostedt (VMware 2017-01-19 128) .data.file = __FILE__, \ 134e6a03 Steven Rostedt (VMware 2017-01-19 129) .data.line = __LINE__, \ 1f0d69a9 Steven Rostedt 2008-11-12 130 }; \ d45ae1f7 Steven Rostedt (VMware 2017-01-17 131) ______r = __builtin_expect(!!(x), expect); \ d45ae1f7 Steven Rostedt (VMware 2017-01-17 132) ftrace_likely_update(&______f, ______r, \ d45ae1f7 Steven Rostedt (VMware 2017-01-17 133) expect, is_constant); \ 1f0d69a9 Steven Rostedt 2008-11-12 134 ______r; \ 1f0d69a9 Steven Rostedt 2008-11-12 135 }) 1f0d69a9 Steven Rostedt 2008-11-12 136 :::::: The code at line 123 was first introduced by commit :::::: 134e6a034cb004ed5acd3048792de70ced1c6cf5 tracing: Show number of constants profiled in likely profiler :::::: TO: Steven Rostedt (VMware) <rostedt@xxxxxxxxxxx> :::::: CC: Steven Rostedt (VMware) <rostedt@xxxxxxxxxxx> --- 0-DAY kernel test infrastructure Open Source Technology Center https://lists.01.org/pipermail/kbuild-all Intel Corporation
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