linux-kernel - Re: [PATCH 06/35] autonuma: generic pte_numa() and pmd

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Message-ID: <20120530202318.GB30148@localhost.localdomain>
Date:	Wed, 30 May 2012 16:23:19 -0400
From:	Konrad Rzeszutek Wilk <konrad@...nok.org>
To:	Andrea Arcangeli <aarcange@...hat.com>
Cc:	linux-kernel@...r.kernel.org, linux-mm@...ck.org,
	Hillf Danton <dhillf@...il.com>, Dan Smith <danms@...ibm.com>,
	Peter Zijlstra <a.p.zijlstra@...llo.nl>,
	Linus Torvalds <torvalds@...ux-foundation.org>,
	Andrew Morton <akpm@...ux-foundation.org>,
	Thomas Gleixner <tglx@...utronix.de>,
	Ingo Molnar <mingo@...e.hu>, Paul Turner <pjt@...gle.com>,
	Suresh Siddha <suresh.b.siddha@...el.com>,
	Mike Galbraith <efault@....de>,
	"Paul E. McKenney" <paulmck@...ux.vnet.ibm.com>,
	Lai Jiangshan <laijs@...fujitsu.com>,
	Bharata B Rao <bharata.rao@...il.com>,
	Lee Schermerhorn <Lee.Schermerhorn@...com>,
	Rik van Riel <riel@...hat.com>,
	Johannes Weiner <hannes@...xchg.org>,
	Srivatsa Vaddagiri <vatsa@...ux.vnet.ibm.com>,
	Christoph Lameter <cl@...ux.com>
Subject: Re: [PATCH 06/35] autonuma: generic pte_numa() and pmd_numa()

On Fri, May 25, 2012 at 07:02:10PM +0200, Andrea Arcangeli wrote:
> Implement generic version of the methods. They're used when
> CONFIG_AUTONUMA=n, and they're a noop.

I think you can roll that in the previous patch.
> 
> Signed-off-by: Andrea Arcangeli <aarcange@...hat.com>
> ---
>  include/asm-generic/pgtable.h |   12 ++++++++++++
>  1 files changed, 12 insertions(+), 0 deletions(-)
> 
> diff --git a/include/asm-generic/pgtable.h b/include/asm-generic/pgtable.h
> index fa596d9..780f707 100644
> --- a/include/asm-generic/pgtable.h
> +++ b/include/asm-generic/pgtable.h
> @@ -521,6 +521,18 @@ static inline int pmd_trans_unstable(pmd_t *pmd)
>  #endif
>  }
>  
> +#ifndef CONFIG_AUTONUMA
> +static inline int pte_numa(pte_t pte)
> +{
> +	return 0;
> +}
> +
> +static inline int pmd_numa(pmd_t pmd)
> +{
> +	return 0;
> +}
> +#endif /* CONFIG_AUTONUMA */
> +
>  #endif /* CONFIG_MMU */
>  
>  #endif /* !__ASSEMBLY__ */
> 
> --
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