linux-kernel - Re: [PATCH 1/3] zsmalloc: s/firstpage/page in new copy map funcs

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Date:	Wed, 8 Aug 2012 13:57:12 +0900
From:	Minchan Kim <minchan@...nel.org>
To:	Seth Jennings <sjenning@...ux.vnet.ibm.com>,
	Greg Kroah-Hartman <gregkh@...uxfoundation.org>
Cc:	Andrew Morton <akpm@...ux-foundation.org>,
	Dan Magenheimer <dan.magenheimer@...cle.com>,
	Konrad Rzeszutek Wilk <konrad.wilk@...cle.com>,
	Nitin Gupta <ngupta@...are.org>,
	Robert Jennings <rcj@...ux.vnet.ibm.com>, linux-mm@...ck.org,
	devel@...verdev.osuosl.org, linux-kernel@...r.kernel.org
Subject: Re: [PATCH 1/3] zsmalloc: s/firstpage/page in new copy map funcs

Hi Greg,

When do you merge this series?
Thanks.

On Wed, Jul 18, 2012 at 11:55:54AM -0500, Seth Jennings wrote:
> firstpage already has precedent and meaning the first page
> of a zspage.  In the case of the copy mapping functions,
> it is the first of a pair of pages needing to be mapped.
> 
> This patch just renames the firstpage argument to "page" to
> avoid confusion.
> 
> Signed-off-by: Seth Jennings <sjenning@...ux.vnet.ibm.com>
> ---
>  drivers/staging/zsmalloc/zsmalloc-main.c |   12 ++++++------
>  1 file changed, 6 insertions(+), 6 deletions(-)
> 
> diff --git a/drivers/staging/zsmalloc/zsmalloc-main.c b/drivers/staging/zsmalloc/zsmalloc-main.c
> index 8b0bcb6..3c83c65 100644
> --- a/drivers/staging/zsmalloc/zsmalloc-main.c
> +++ b/drivers/staging/zsmalloc/zsmalloc-main.c
> @@ -470,15 +470,15 @@ static struct page *find_get_zspage(struct size_class *class)
>  	return page;
>  }
>  
> -static void zs_copy_map_object(char *buf, struct page *firstpage,
> +static void zs_copy_map_object(char *buf, struct page *page,
>  				int off, int size)
>  {
>  	struct page *pages[2];
>  	int sizes[2];
>  	void *addr;
>  
> -	pages[0] = firstpage;
> -	pages[1] = get_next_page(firstpage);
> +	pages[0] = page;
> +	pages[1] = get_next_page(page);
>  	BUG_ON(!pages[1]);
>  
>  	sizes[0] = PAGE_SIZE - off;
> @@ -493,15 +493,15 @@ static void zs_copy_map_object(char *buf, struct page *firstpage,
>  	kunmap_atomic(addr);
>  }
>  
> -static void zs_copy_unmap_object(char *buf, struct page *firstpage,
> +static void zs_copy_unmap_object(char *buf, struct page *page,
>  				int off, int size)
>  {
>  	struct page *pages[2];
>  	int sizes[2];
>  	void *addr;
>  
> -	pages[0] = firstpage;
> -	pages[1] = get_next_page(firstpage);
> +	pages[0] = page;
> +	pages[1] = get_next_page(page);
>  	BUG_ON(!pages[1]);
>  
>  	sizes[0] = PAGE_SIZE - off;
> -- 
> 1.7.9.5
> 
> --
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-- 
Kind regards,
Minchan Kim
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