netdev - Re: [PATCH net-next] net: openvswitch: do not update max_headroom if new headroom is equal to old headroom

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Message-ID: <CAOrHB_DXSo37ZttVcW3fEuvB9_-2VtzZgf0JNq1ZhSfJJHSa7Q@mail.gmail.com>
Date:   Mon, 15 Jul 2019 11:15:01 -0700
From:   Pravin Shelar <pshelar@....org>
To:     Taehee Yoo <ap420073@...il.com>
Cc:     "David S. Miller" <davem@...emloft.net>,
        Linux Kernel Network Developers <netdev@...r.kernel.org>,
        ovs dev <dev@...nvswitch.org>
Subject: Re: [PATCH net-next] net: openvswitch: do not update max_headroom if
 new headroom is equal to old headroom

On Fri, Jul 5, 2019 at 9:08 AM Taehee Yoo <ap420073@...il.com> wrote:
>
> When a vport is deleted, the maximum headroom size would be changed.
> If the vport which has the largest headroom is deleted,
> the new max_headroom would be set.
> But, if the new headroom size is equal to the old headroom size,
> updating routine is unnecessary.
>
> Signed-off-by: Taehee Yoo <ap420073@...il.com>

Sorry for late reply. This patch looks good to me too.

I am curious about reason to avoid adjustment to headroom. why are you
trying to avoid unnecessary changes to headroom.

Thanks,
Pravin.