Re: [RFC] [PATCH] Cgroup based OOM killer controller

From: Evgeniy Polyakov
Date: Tue Jan 27 2009 - 04:31:25 EST


On Mon, Jan 26, 2009 at 11:51:27PM -0800, David Rientjes (rientjes@xxxxxxxxxx) wrote:
> Yeah, I proposed /dev/mem_notify being made as a client of cgroups there
> in http://marc.info/?l=linux-kernel&m=123200623628685
>
> How do you replace the oom killer's capability of giving a killed task
> access to memory reserves with TIF_MEMDIE in userspace?

/dev/mem_notify is a great idea, but please do not limit existing
oom-killer in its ability to do the job and do not rely on application's
ability to send a SIGKILL which will not kill tasks in unkillable state
contrary to oom-killer.

--
Evgeniy Polyakov
--
To unsubscribe from this list: send the line "unsubscribe linux-kernel" in
the body of a message to majordomo@xxxxxxxxxxxxxxx
More majordomo info at http://vger.kernel.org/majordomo-info.html
Please read the FAQ at http://www.tux.org/lkml/