linux-kernel - Re: [PATCH] Export mm_update_next

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Message-ID: <20181217204124-mutt-send-email-mst@kernel.org>
Date:   Mon, 17 Dec 2018 20:41:36 -0500
From:   "Michael S. Tsirkin" <mst@...hat.com>
To:     gchen chen <gchen.guomin@...il.com>
Cc:     Christoph Hellwig <hch@...radead.org>,
        Jason Wang <jasowang@...hat.com>,
        gchen <guominchen@...cent.com>, kvm@...r.kernel.org,
        virtualization@...ts.linux-foundation.org, netdev@...r.kernel.org,
        linux-kernel@...r.kernel.org,
        "Eric W. Biederman" <ebiederm@...ssion.com>,
        Andrew Morton <akpm@...ux-foundation.org>,
        Sudip Mukherjee <sudipm.mukherjee@...il.com>,
        "Luis R. Rodriguez" <mcgrof@...nel.org>,
        Dominik Brodowski <linux@...inikbrodowski.net>
Subject: Re: [PATCH] Export mm_update_next_owner function for vhost-net

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