linux-kernel - Re: [PATCH 3/4] m68knommu: Make empty_zero

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Message-ID: <4DDDD96E.3020604@snapgear.com>
Date:	Thu, 26 May 2011 14:39:10 +1000
From:	Greg Ungerer <gerg@...pgear.com>
To:	Geert Uytterhoeven <geert@...ux-m68k.org>
CC:	Greg Ungerer <gerg@...inux.org>, <linux-kernel@...r.kernel.org>,
	<uclinux-dev@...inux.org>
Subject: Re: [PATCH 3/4] m68knommu: Make empty_zero_page "void *", like on
 m68k

Hi Geert,

On 25/05/11 19:10, Geert Uytterhoeven wrote:
> This allows to get rid of the casts.
>
> Signed-off-by: Geert Uytterhoeven<geert@...ux-m68k.org>

Looks good:

Acked-by: Greg Ungerer <gerg@...inux.org>

Do you want me to add to the m68knommu git tree?
Or are these part of a series you intend pushing yourself?

Regards
Greg



> ---
>   arch/m68k/mm/init_no.c |    6 +++---
>   1 files changed, 3 insertions(+), 3 deletions(-)
>
> diff --git a/arch/m68k/mm/init_no.c b/arch/m68k/mm/init_no.c
> index 7cbd7bd..fdbe679 100644
> --- a/arch/m68k/mm/init_no.c
> +++ b/arch/m68k/mm/init_no.c
> @@ -42,7 +42,7 @@
>    * ZERO_PAGE is a special page that is used for zero-initialized
>    * data and COW.
>    */
> -unsigned long empty_zero_page;
> +void *empty_zero_page;
>
>   extern unsigned long memory_start;
>   extern unsigned long memory_end;
> @@ -62,8 +62,8 @@ void __init paging_init(void)
>   	unsigned long end_mem   = memory_end&  PAGE_MASK;
>   	unsigned long zones_size[MAX_NR_ZONES] = {0, };
>
> -	empty_zero_page = (unsigned long)alloc_bootmem_pages(PAGE_SIZE);
> -	memset((void *)empty_zero_page, 0, PAGE_SIZE);
> +	empty_zero_page = alloc_bootmem_pages(PAGE_SIZE);
> +	memset(empty_zero_page, 0, PAGE_SIZE);
>
>   	/*
>   	 * Set up SFC/DFC registers (user data space).


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