linux-kernel - Re: [RFC PATCH v3 5/9] futex: Track the futex hash bucket.

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Message-ID: <20241122142804.7tGirPjt@linutronix.de>
Date: Fri, 22 Nov 2024 15:28:04 +0100
From: Sebastian Andrzej Siewior <bigeasy@...utronix.de>
To: kernel test robot <oliver.sang@...el.com>
Cc: oe-lkp@...ts.linux.dev, lkp@...el.com, linux-kernel@...r.kernel.org,
	linux-mm@...ck.org,
	André Almeida <andrealmeid@...lia.com>,
	Darren Hart <dvhart@...radead.org>,
	Davidlohr Bueso <dave@...olabs.net>, Ingo Molnar <mingo@...hat.com>,
	Juri Lelli <juri.lelli@...hat.com>,
	Peter Zijlstra <peterz@...radead.org>,
	Thomas Gleixner <tglx@...utronix.de>,
	Valentin Schneider <vschneid@...hat.com>,
	Waiman Long <longman@...hat.com>
Subject: Re: [RFC PATCH v3 5/9] futex: Track the futex hash bucket.

On 2024-11-22 18:08:03 [+0800], kernel test robot wrote:
> Hello,
Hi,

> kernel test robot noticed "WARNING:at_lib/rcuref.c:#rcuref_put_slowpath" on:
> 
> commit: 85bef61dcb6b15e3f68893e8bb8178f38ef4e58d ("[RFC PATCH v3 5/9] futex: Track the futex hash bucket.")
> url: https://github.com/intel-lab-lkp/linux/commits/Sebastian-Andrzej-Siewior/futex-Create-helper-function-to-initialize-a-hash-slot/20241116-230708
> base: https://git.kernel.org/cgit/linux/kernel/git/tip/tip.git 3b49a347d751553b1d1be69c8619ae2e85fdc28d
> patch link: https://lore.kernel.org/all/20241115172035.795842-6-bigeasy@linutronix.de/
> patch subject: [RFC PATCH v3 5/9] futex: Track the futex hash bucket.

thank you for the report. There is a missing init which has been made
visible by CONFIG_BASE_SMALL.

Sebastian