From: Johannes Weiner <hannes@cmpxchg.org>
To: Hugh Dickins <hughd@google.com>
Cc: Andrew Morton <akpm@linux-foundation.org>, linux-mm@kvack.org
Subject: Re: [PATCH mmotm] memcg: avoid vmpressure oops when memcg disabled
Date: Sun, 10 Jan 2016 12:38:48 -0500 [thread overview]
Message-ID: <20160110173848.GA20871@cmpxchg.org> (raw)
In-Reply-To: <alpine.LSU.2.11.1601091717160.10107@eggly.anvils>
On Sat, Jan 09, 2016 at 05:21:44PM -0800, Hugh Dickins wrote:
> A CONFIG_MEMCG=y kernel booted with "cgroup_disable=memory" crashes on
> a NULL memcg (but non-NULL root_mem_cgroup) when vmpressure kicks in.
> Here's the patch I use to avoid that, but you might prefer a test on
> mem_cgroup_disabled() somewhere.
>
> Signed-off-by: Hugh Dickins <hughd@google.com>
Thanks Hugh. This looks good.
Acked-by: Johannes Weiner <hannes@cmpxchg.org>
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prev parent reply other threads:[~2016-01-10 17:38 UTC|newest]
Thread overview: 2+ messages / expand[flat|nested] mbox.gz Atom feed top
2016-01-10 1:21 [PATCH mmotm] memcg: avoid vmpressure oops when memcg disabled Hugh Dickins
2016-01-10 17:38 ` Johannes Weiner [this message]
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