linux-kernel - Re: [PATCH] net/skbuff: silence warnings under memory pressure

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Date:   Thu, 5 Sep 2019 13:23:34 -0400
From:   Steven Rostedt <rostedt@...dmis.org>
To:     Sergey Senozhatsky <sergey.senozhatsky.work@...il.com>
Cc:     Qian Cai <cai@....pw>, Petr Mladek <pmladek@...e.com>,
        Sergey Senozhatsky <sergey.senozhatsky@...il.com>,
        Michal Hocko <mhocko@...nel.org>,
        Eric Dumazet <eric.dumazet@...il.com>, davem@...emloft.net,
        netdev@...r.kernel.org, linux-mm@...ck.org,
        linux-kernel@...r.kernel.org
Subject: Re: [PATCH] net/skbuff: silence warnings under memory pressure

On Thu, 5 Sep 2019 20:32:08 +0900
Sergey Senozhatsky <sergey.senozhatsky.work@...il.com> wrote:

> I think we can queue significantly much less irq_work-s from printk().
> 
> Petr, Steven, what do you think?

What if we just rate limit the wake ups of klogd? I mean, really, do we
need to keep calling wake up if it probably never even executed?

-- Steve