linux-kernel - Re: page_alloc.shuffle=1 + CONFIG_PROVE

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Message-ID: <20190917005340.GA9679@jagdpanzerIV>
Date:   Tue, 17 Sep 2019 09:53:40 +0900
From:   Sergey Senozhatsky <sergey.senozhatsky.work@...il.com>
To:     Steven Rostedt <rostedt@...dmis.org>
Cc:     Qian Cai <cai@....pw>,
        Sergey Senozhatsky <sergey.senozhatsky.work@...il.com>,
        Petr Mladek <pmladek@...e.com>,
        Catalin Marinas <catalin.marinas@....com>,
        Will Deacon <will@...nel.org>,
        Dan Williams <dan.j.williams@...el.com>, linux-mm@...ck.org,
        linux-kernel@...r.kernel.org, linux-arm-kernel@...ts.infradead.org,
        Peter Zijlstra <peterz@...radead.org>,
        Waiman Long <longman@...hat.com>,
        Thomas Gleixner <tglx@...utronix.de>,
        Theodore Ts'o <tytso@....edu>, Arnd Bergmann <arnd@...db.de>,
        Greg Kroah-Hartman <gregkh@...uxfoundation.org>
Subject: Re: page_alloc.shuffle=1 + CONFIG_PROVE_LOCKING=y = arm64 hang

On (09/16/19 10:42), Steven Rostedt wrote:
[..]
> > 
> > This will also fix the hang.
> > 
> > Sergey, do you plan to submit this Ted?
> 
> Perhaps for a quick fix (and a comment that says this needs to be fixed
> properly).

I guess it would make sense, since LTS and -stable kernels won't get new
printk().

	-ss