linux-kernel - Re: [mm/page_alloc] dbbee9d5cd: WARNING:possible_circular_locking_dependency

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Date:   Tue, 13 Jul 2021 15:59:41 +0100
From:   Mel Gorman <mgorman@...hsingularity.net>
To:     kernel test robot <oliver.sang@...el.com>
Cc:     Linus Torvalds <torvalds@...ux-foundation.org>,
        Vlastimil Babka <vbabka@...e.cz>,
        Peter Zijlstra <peterz@...radead.org>,
        Chuck Lever <chuck.lever@...cle.com>,
        Ingo Molnar <mingo@...nel.org>,
        Jesper Dangaard Brouer <brouer@...hat.com>,
        Michal Hocko <mhocko@...nel.org>,
        Sebastian Andrzej Siewior <bigeasy@...utronix.de>,
        Thomas Gleixner <tglx@...utronix.de>,
        Andrew Morton <akpm@...ux-foundation.org>,
        LKML <linux-kernel@...r.kernel.org>, lkp@...ts.01.org,
        lkp@...el.com
Subject: Re: [mm/page_alloc]  dbbee9d5cd:
 WARNING:possible_circular_locking_dependency_detected

On Tue, Jul 13, 2021 at 10:40:57PM +0800, kernel test robot wrote:
> 
> 
> Greeting,
> 
> FYI, we noticed the following commit (built with gcc-9):
> 
> commit: dbbee9d5cd83f9d0a29639e260516907ceb2ac3d ("mm/page_alloc: convert per-cpu list protection to local_lock")
> https://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git master
> 

Thanks, this will ultimately be fixed by https://lore.kernel.org/r/20210713135625.7615-1-mgorman@techsingularity.net

-- 
Mel Gorman
SUSE Labs