linux-kernel - Re: [PATCH 4/6] Move might_sleep and friends from kernel.h to sched.h

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Message-Id: <20130827165011.b46c71b618e5cdc444af2804@linux-foundation.org>
Date:	Tue, 27 Aug 2013 16:50:11 -0700
From:	Andrew Morton <akpm@...ux-foundation.org>
To:	Andi Kleen <andi@...stfloor.org>
Cc:	linux-kernel@...r.kernel.org, x86@...nel.org, peterz@...radead.org,
	Andi Kleen <ak@...ux.intel.com>
Subject: Re: [PATCH 4/6] Move might_sleep and friends from kernel.h to
 sched.h

On Fri, 16 Aug 2013 14:17:22 -0700 Andi Kleen <andi@...stfloor.org> wrote:

> These are really related to scheduling, so they should be in sched.h
> Users usually will need to schedule anyways.
> 
> The advantage of having them there is that we can access some of the
> scheduler inlines to make their fast path more efficient. This will come
> in a followon patch.

alpha allmodconfig:

mm/memory.c:4236: error: redefinition of 'might_fault'
include/linux/sched.h:2485: note: previous definition of 'might_fault' was here

Presumably because CONFIG_PROVE_LOCKING=n && CONFIG_DEBUG_ATOMIC_SLEEP=y.

That code is too tangly for me to fix it up with any confidence, sorry.

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