From 5028e358bcd4e84305eeb4e7df6216246e8b0afd Mon Sep 17 00:00:00 2001 From: Wenwei Tao Date: Fri, 20 Sep 2019 16:58:03 +0800 Subject: [PATCH 0763/2944] alinux: mm: oom_kill: show killed task's cgroup info in global oom Some users want to know the killed task's cgroup info in global oom, this message would help them to make upper decision. Signed-off-by: Wenwei Tao Reviewed-by: Xunlei Pang --- mm/oom_kill.c | 5 +++++ 1 file changed, 5 insertions(+) diff --git a/mm/oom_kill.c b/mm/oom_kill.c index e129008..9327697 100644 --- a/mm/oom_kill.c +++ b/mm/oom_kill.c @@ -451,6 +451,11 @@ static void dump_header(struct oom_control *oc, struct task_struct *p) if (is_memcg_oom(oc)) mem_cgroup_print_oom_info(oc->memcg, p); else { +#ifdef CONFIG_MEMCG + pr_info("Task in "); + pr_cont_cgroup_path(task_cgroup(p, memory_cgrp_id)); + pr_cont(" killed as a result of limit of host\n"); +#endif show_mem(SHOW_MEM_FILTER_NODES, oc->nodemask); if (is_dump_unreclaim_slabs()) dump_unreclaimable_slab(); -- 1.8.3.1