netdev - Re: [PATCH net 1/4] umh: add exit routine for UMH process

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Message-ID: <CAMArcTXvCMPHarHJy19QAr9AKb4w2RNQ-E6JJoBhuD3eGhHkSg@mail.gmail.com>
Date:   Mon, 7 Jan 2019 12:44:44 +0900
From:   Taehee Yoo <ap420073@...il.com>
To:     David Miller <davem@...emloft.net>
Cc:     Netdev <netdev@...r.kernel.org>, linux-kernel@...r.kernel.org,
        Daniel Borkmann <daniel@...earbox.net>, ast@...nel.org,
        mcgrof@...nel.org
Subject: Re: [PATCH net 1/4] umh: add exit routine for UMH process

On Mon, 7 Jan 2019 at 01:55, David Miller <davem@...emloft.net> wrote:
>
> From: Taehee Yoo <ap420073@...il.com>
> Date: Sun, 6 Jan 2019 14:34:52 +0900
>
> > How about adding a new PF_UMH flag for task_struct->flags to identify
> > UMH process?
> > By using this flag, the exit_umh() can avoid unnecessary lookups.
>
> Yes, that might be more efficient and eliminate the high cost for
> non-UMH tasks.

I will send a v3 patch.
Thank you!