On Tue 01-12-15 15:43:53, Andrew Morton wrote: [...] > > diff --git a/mm/oom_kill.c b/mm/oom_kill.c > > index 1ecc0bc..bdbf83b 100644 > > --- a/mm/oom_kill.c > > +++ b/mm/oom_kill.c > > @@ -42,6 +42,7 @@ > > int sysctl_panic_on_oom; > > int sysctl_oom_kill_allocating_task; > > int sysctl_oom_dump_tasks = 1; > > +int sysctl_oom_dump_stack = 1; > > > > DEFINE_MUTEX(oom_lock); > > > > @@ -384,7 +385,8 @@ static void dump_header(struct oom_control *oc, struct task_struct *p, > > current->signal->oom_score_adj); > > cpuset_print_task_mems_allowed(current); > > task_unlock(current); > > - dump_stack(); > > + if (sysctl_oom_dump_stack) > > + dump_stack(); > > if (memcg) > > mem_cgroup_print_oom_info(memcg, p); > > else > > The patch seems reasonable to me, but it's missing the required update > to Documentation/sysctl/vm.txt. I thought we have agreed to go via KERN_DEBUG log level for the backtrace. Aristeu has posted a patch for that already. -- Michal Hocko SUSE Labs -- To unsubscribe, send a message with 'unsubscribe linux-mm' in the body to majordomo@xxxxxxxxx. For more info on Linux MM, see: http://www.linux-mm.org/ . Don't email: <a href=mailto:"dont@xxxxxxxxx";> email@xxxxxxxxx </a>