linux-kernel - Re: [rfc patch-rt] radix-tree: Partially disable memcg accounting in radix_tree_node

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Date:   Fri, 06 Jan 2017 13:44:31 +0100
From:   Mike Galbraith <umgwanakikbuti@...il.com>
To:     Michal Hocko <mhocko@...nel.org>
Cc:     Sebastian Andrzej Siewior <bigeasy@...utronix.de>,
        Thomas Gleixner <tglx@...utronix.de>,
        LKML <linux-kernel@...r.kernel.org>,
        linux-rt-users <linux-rt-users@...r.kernel.org>,
        Steven Rostedt <rostedt@...dmis.org>
Subject: Re: [rfc patch-rt] radix-tree: Partially disable memcg accounting
 in radix_tree_node_alloc()

On Fri, 2017-01-06 at 13:20 +0100, Mike Galbraith wrote:

> > > madvise06 isn't as deadly to the twiddled PREEMPT kernel as
> it is to PREEMPT_RT_FULL, but a very few runs attracted the oom beast.

The very next run paniced the box... deadly enough for gvt. work :)