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Date:   Mon, 17 Dec 2018 20:41:36 -0500
From:   "Michael S. Tsirkin" <mst@redhat.com>
To:     gchen chen <gchen.guomin@gmail.com>
Cc:     Christoph Hellwig <hch@infradead.org>,
        Jason Wang <jasowang@redhat.com>,
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        "Luis R. Rodriguez" <mcgrof@kernel.org>,
        Dominik Brodowski <linux@dominikbrodowski.net>
Subject: Re: [PATCH] Export mm_update_next_owner function for vhost-net
Message-ID: <20181217204124-mutt-send-email-mst@kernel.org>
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 <20181217113254.GA6971@infradead.org>
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On Tue, Dec 18, 2018 at 09:39:16AM +0800, gchen chen wrote:
> Yes, I think so. 
> and i think the point is that unuse_mm() can't directly set tsk->mm=NULL.

So why can't unuse_mm call mm_update_next_owner?

-- 
MST