tree: https://git.kernel.org/pub/scm/linux/kernel/git/tj/cgroup.git test-merge-for-4.4 head: 1c93277f15d351a4c7244cdcc50c8f80cbd9e84e commit: 1c93277f15d351a4c7244cdcc50c8f80cbd9e84e [1/1] Merge branch 'for-4.4' into test-merge-for-4.4 config: i386-randconfig-s1-201544 (attached as .config) reproduce: git checkout 1c93277f15d351a4c7244cdcc50c8f80cbd9e84e # save the attached .config to linux build tree make ARCH=i386 All errors (new ones prefixed by >>): mm/vmscan.c: In function 'sane_reclaim': >> mm/vmscan.c:178:6: error: implicit declaration of function 'cgroup_on_dfl' [-Werror=implicit-function-declaration] if (cgroup_on_dfl(memcg->css.cgroup)) ^ cc1: some warnings being treated as errors vim +/cgroup_on_dfl +178 mm/vmscan.c 97c9341f Tejun Heo 2015-05-22 172 { 97c9341f Tejun Heo 2015-05-22 173 struct mem_cgroup *memcg = sc->target_mem_cgroup; 97c9341f Tejun Heo 2015-05-22 174 97c9341f Tejun Heo 2015-05-22 175 if (!memcg) 97c9341f Tejun Heo 2015-05-22 176 return true; 97c9341f Tejun Heo 2015-05-22 177 #ifdef CONFIG_CGROUP_WRITEBACK d5028f9f Vladimir Davydov 2015-09-22 @178 if (cgroup_on_dfl(memcg->css.cgroup)) 97c9341f Tejun Heo 2015-05-22 179 return true; 97c9341f Tejun Heo 2015-05-22 180 #endif 97c9341f Tejun Heo 2015-05-22 181 return false; :::::: The code at line 178 was first introduced by commit :::::: d5028f9f7d8de5c375c52b98976b6f310e73398f vmscan: fix sane_reclaim helper for legacy memcg :::::: TO: Vladimir Davydov <vdavydov@xxxxxxxxxxxxx> :::::: CC: Linus Torvalds <torvalds@xxxxxxxxxxxxxxxxxxxx> --- 0-DAY kernel test infrastructure Open Source Technology Center https://lists.01.org/pipermail/kbuild-all Intel Corporation
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