Re: [patch v2 -mm] mm, oom: prefer thread group leaders for displaypurposes

From: David Rientjes
Date: Thu Jan 16 2014 - 17:49:34 EST

On Thu, 16 Jan 2014, Michal Hocko wrote:

> > When two threads have the same badness score, it's preferable to kill the
> > thread group leader so that the actual process name is printed to the
> > kernel log rather than the thread group name which may be shared amongst
> > several processes.
> I am not sure I understand this. Is this about ->comm? If yes then why
> couldn't the group leader do PR_SET_NAME?

Both comm and pid, we only display thread group leaders in the tasklist
dump of eligible processes, we want the killed message to specify from
which process.

You're suggesting a thread group leader do PR_SET_NAME of all its threads
for readable oom killer output? Lol.
To unsubscribe from this list: send the line "unsubscribe linux-kernel" in
the body of a message to majordomo@xxxxxxxxxxxxxxx
More majordomo info at
Please read the FAQ at