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Date:   Thu, 26 Apr 2018 15:52:51 +0200
From:   Oleg Nesterov <oleg@redhat.com>
To:     Michal Hocko <mhocko@kernel.org>
Cc:     Kirill Tkhai <ktkhai@virtuozzo.com>, akpm@linux-foundation.org,
        peterz@infradead.org, viro@zeniv.linux.org.uk, mingo@kernel.org,
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        tglx@linutronix.de, kirill.shutemov@linux.intel.com,
        marcos.souza.org@gmail.com, hoeun.ryu@gmail.com,
        pasha.tatashin@oracle.com, gs051095@gmail.com,
        ebiederm@xmission.com, dhowells@redhat.com,
        rppt@linux.vnet.ibm.com, linux-kernel@vger.kernel.org
Subject: Re: [PATCH 0/4] exit: Make unlikely case in mm_update_next_owner()
 more scalable
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On 04/26, Michal Hocko wrote:
>
> then I suspect that we should be better off reconsidering
> mm->owner and try to come up with something more clever. I've had a
> patch to remove owner few years back.

Yeees, I do remember we discussed this but I forgot everything.

I agree, it would nice to turn mm->owner into mm->mem_cgroup and just kill
the ugly mm_update_next_owner/etc.

Oleg.