Hi Michal, [auto build test ERROR on next-20170125] [cannot apply to linus/master linux/master nf-next/master v4.9-rc8 v4.9-rc7 v4.9-rc6 v4.10-rc5] [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/net-bpf-use-kvzalloc-helper/20170126-221904 config: x86_64-randconfig-x014-201704 (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=x86_64 All error/warnings (new ones prefixed by >>): kernel/bpf/syscall.c: In function 'bpf_map_area_alloc': >> kernel/bpf/syscall.c:61:9: error: implicit declaration of function >> 'kvzalloc' [-Werror=implicit-function-declaration] return kvzalloc(size, GFP_USER); ^~~~~~~~ >> kernel/bpf/syscall.c:61:9: warning: return makes pointer from integer >> without a cast [-Wint-conversion] return kvzalloc(size, GFP_USER); ^~~~~~~~~~~~~~~~~~~~~~~~ cc1: some warnings being treated as errors vim +/kvzalloc +61 kernel/bpf/syscall.c 55 { 56 /* 57 * FIXME: we would really like to not trigger the OOM killer and rather 58 * fail instead. This is not supported right now. Please nag MM people 59 * if these OOM start bothering people. 60 */ > 61 return kvzalloc(size, GFP_USER); 62 } 63 64 void bpf_map_area_free(void *area) --- 0-DAY kernel test infrastructure Open Source Technology Center https://lists.01.org/pipermail/kbuild-all Intel Corporation
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