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Date: Tue, 26 Jan 2010 19:15:06 +0000
From: Mel Gorman <mel@csn.ul.ie>
Subject: Re: [PATCH 09 of 31] no paravirt version of pmd ops
Message-ID: <20100126191506.GN16468@csn.ul.ie>
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To: Andrea Arcangeli <aarcange@redhat.com>
Cc: linux-mm@kvack.org, Marcelo Tosatti <mtosatti@redhat.com>, Adam Litke <agl@us.ibm.com>, Avi Kivity <avi@redhat.com>, Izik Eidus <ieidus@redhat.com>, Hugh Dickins <hugh.dickins@tiscali.co.uk>, Nick Piggin <npiggin@suse.de>, Rik van Riel <riel@redhat.com>, Andi Kleen <andi@firstfloor.org>, Dave Hansen <dave@linux.vnet.ibm.com>, Benjamin Herrenschmidt <benh@kernel.crashing.org>, Ingo Molnar <mingo@elte.hu>, Mike Travis <travis@sgi.com>, KAMEZAWA Hiroyuki <kamezawa.hiroyu@jp.fujitsu.com>, Christoph Lameter <cl@linux-foundation.org>, Chris Wright <chrisw@sous-sol.org>, Andrew Morton <akpm@linux-foundation.org>, bpicco@redhat.com, Christoph Hellwig <chellwig@redhat.com>, KOSAKI Motohiro <kosaki.motohiro@jp.fujitsu.com>
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On Tue, Jan 26, 2010 at 02:52:04PM +0100, Andrea Arcangeli wrote:
> From: Andrea Arcangeli <aarcange@redhat.com>
> 
> No paravirt version of set_pmd_at/pmd_update/pmd_update_defer.
> 
> Signed-off-by: Andrea Arcangeli <aarcange@redhat.com>

Acked-by: Mel Gorman <mel@csn.ul.ie>

> ---
> 
> diff --git a/arch/x86/include/asm/pgtable.h b/arch/x86/include/asm/pgtable.h
> --- a/arch/x86/include/asm/pgtable.h
> +++ b/arch/x86/include/asm/pgtable.h
> @@ -33,6 +33,7 @@ extern struct list_head pgd_list;
>  #else  /* !CONFIG_PARAVIRT */
>  #define set_pte(ptep, pte)		native_set_pte(ptep, pte)
>  #define set_pte_at(mm, addr, ptep, pte)	native_set_pte_at(mm, addr, ptep, pte)
> +#define set_pmd_at(mm, addr, pmdp, pmd)	native_set_pmd_at(mm, addr, pmdp, pmd)
>  
>  #define set_pte_atomic(ptep, pte)					\
>  	native_set_pte_atomic(ptep, pte)
> @@ -57,6 +58,8 @@ extern struct list_head pgd_list;
>  
>  #define pte_update(mm, addr, ptep)              do { } while (0)
>  #define pte_update_defer(mm, addr, ptep)        do { } while (0)
> +#define pmd_update(mm, addr, ptep)              do { } while (0)
> +#define pmd_update_defer(mm, addr, ptep)        do { } while (0)
>  
>  #define pgd_val(x)	native_pgd_val(x)
>  #define __pgd(x)	native_make_pgd(x)
> 

-- 
Mel Gorman
Part-time Phd Student                          Linux Technology Center
University of Limerick                         IBM Dublin Software Lab

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