linux-kernel - Re: [PATCH v3] lockdep: Teach lockdep about memalloc_noio

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Message-ID: <20170301161220.GP6515@twins.programming.kicks-ass.net>
Date:   Wed, 1 Mar 2017 17:12:20 +0100
From:   Peter Zijlstra <peterz@...radead.org>
To:     Michal Hocko <mhocko@...nel.org>
Cc:     Nikolay Borisov <nborisov@...e.com>, linux-kernel@...r.kernel.org,
        vbabka.lkml@...il.com, linux-mm@...ck.org, mingo@...hat.com
Subject: Re: [PATCH v3] lockdep: Teach lockdep about memalloc_noio_save

On Wed, Mar 01, 2017 at 05:05:30PM +0100, Michal Hocko wrote:
> Anyway, does the following help?

> diff --git a/kernel/locking/lockdep.c b/kernel/locking/lockdep.c
> index 47e4f82380e4..d5386ad7ed3f 100644
> --- a/kernel/locking/lockdep.c
> +++ b/kernel/locking/lockdep.c
> @@ -47,6 +47,7 @@
>  #include <linux/kmemcheck.h>
>  #include <linux/random.h>
>  #include <linux/jhash.h>
> +#include <linux/sched.h>

No, Ingo moved that to linux/sched/mm.h in tip/master, which was the
problem.

But I think this needs to go to Linus in this cycle, right? In which
case Ingo gets to sort the fallout.