netdev - Re: [PATCH] Add a sysctl to allow TCP window shrinking in order to honor memory limits

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Date: Tue, 6 Jun 2023 12:00:11 -0500
From: Mike Freemon <mfreemon@...udflare.com>
To: Neal Cardwell <ncardwell@...gle.com>, Eric Dumazet <edumazet@...gle.com>
Cc: Jason Xing <kerneljasonxing@...il.com>,
 Stephen Hemminger <stephen@...workplumber.org>, netdev@...r.kernel.org,
 kernel-team@...udflare.com
Subject: Re: [PATCH] Add a sysctl to allow TCP window shrinking in order to
 honor memory limits



On 6/6/23 10:35, Neal Cardwell wrote:
> On Tue, Jun 6, 2023 at 11:33 AM Eric Dumazet <edumazet@...gle.com> wrote:
>>
>> On Tue, Jun 6, 2023 at 5:17 PM Mike Freemon <mfreemon@...udflare.com> wrote:
> ...
>>> I discuss the RFCs in more detail in my blog post here:
>>> https://blog.cloudflare.com/unbounded-memory-usage-by-tcp-for-receive-buffers-and-how-we-fixed-it/
>>
>> Mike, the usual process to push linux patches is to make them self contained.
>>
>> changelog should be enough, no need to read a lengthy blog post.
>>
>> Also, I did not receive a copy of the patch, which is unfortunate,
>> given I am the linux TCP maintainer.
>>
>> Next time you post it, make sure to CC me.
>>
>> Thanks.
> 
> Also, before the repost, can you please rebase  on to the latest
> net-next branch? The patch does not currently apply to the latest
> net-next tree. Thanks!

I just posted "v2", which applies successfully on net-next.