tree: https://git.kernel.org/pub/scm/linux/kernel/git/next/linux-next.git master head: f7ac28a6971b43a2ee8bb47c0ef931b38f7888cf commit: 7292b6db051d2fd307eeca4a1985868735927b0c [7192/7206] mm: memcontrol: reign in the CONFIG space madness config: i386-randconfig-r0-201550 (attached as .config) reproduce: git checkout 7292b6db051d2fd307eeca4a1985868735927b0c # save the attached .config to linux build tree make ARCH=i386 All errors (new ones prefixed by >>): mm/memcontrol.c: In function 'memcg_update_kmem_limit': >> mm/memcontrol.c:3017:9: error: implicit declaration of function 'memcg_online_kmem' [-Werror=implicit-function-declaration] ret = memcg_online_kmem(memcg); ^ mm/memcontrol.c: In function 'mem_cgroup_can_attach': mm/memcontrol.c:4880:9: warning: 'memcg' may be used uninitialized in this function [-Wmaybe-uninitialized] mc.to = memcg; ^ cc1: some warnings being treated as errors vim +/memcg_online_kmem +3017 mm/memcontrol.c d6441637 Vladimir Davydov 2014-01-23 3011 { b2878698 Johannes Weiner 2015-12-18 3012 int ret; b2878698 Johannes Weiner 2015-12-18 3013 b2878698 Johannes Weiner 2015-12-18 3014 mutex_lock(&memcg_limit_mutex); b2878698 Johannes Weiner 2015-12-18 3015 /* Top-level cgroup doesn't propagate from root */ b2878698 Johannes Weiner 2015-12-18 3016 if (!memcg_kmem_online(memcg)) { b2878698 Johannes Weiner 2015-12-18 @3017 ret = memcg_online_kmem(memcg); b2878698 Johannes Weiner 2015-12-18 3018 if (ret) b2878698 Johannes Weiner 2015-12-18 3019 goto out; d6441637 Vladimir Davydov 2014-01-23 3020 } :::::: The code at line 3017 was first introduced by commit :::::: b28786989bd0894d5e6e9fa0a8916973510666e8 mm: memcontrol: move kmem accounting code to CONFIG_MEMCG :::::: TO: Johannes Weiner <hannes@xxxxxxxxxxx> :::::: CC: Stephen Rothwell <sfr@xxxxxxxxxxxxxxxx> --- 0-DAY kernel test infrastructure Open Source Technology Center https://lists.01.org/pipermail/kbuild-all Intel Corporation
Attachment:
.config.gz
Description: Binary data