linux-kernel - Re: [PATCH] documentation: xip documentation update

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Message-Id: <20080922083050.3ec7b7e9.rdunlap@xenotime.net>
Date:	Mon, 22 Sep 2008 08:30:50 -0700
From:	Randy Dunlap <rdunlap@...otime.net>
To:	Marco Stornelli <marco.stornelli@...itel.it>
Cc:	mtk.manpages@...il.com, linux-doc@...r.kernel.org,
	linux-kernel@...r.kernel.org
Subject: Re: [PATCH] documentation: xip documentation update

On Mon, 22 Sep 2008 11:37:52 +0200 Marco Stornelli wrote:

> From: Marco Stornelli <marco.stornelli@...il.com>
> 
> xip documentation updated
> Signed-off-by: Marco Stornelli <marco.stornelli@...il.com>
> ---
> 
> --- linux-2.6.26.5/Documentation/filesystems/xip.txt.orig	2008-08-20 20:11:37.000000000 +0200
> +++ linux-2.6.26.5/Documentation/filesystems/xip.txt	2008-09-22 11:27:46.000000000 +0200
> @@ -39,10 +39,11 @@ The block device operation is optional,
>  today:
>  - dcssblk: s390 dcss block device driver
>  
> -An address space operation named get_xip_page is used to retrieve reference
> -to a struct page. To address the target page, a reference to an address_space,
> -and a sector number is provided. A 3rd argument indicates whether the
> -function should allocate blocks if needed.
> +An address space operation named get_xip_mem is used to retrieve reference
> +to a page frame number and a kernel address. To obtain these values a reference
> +to an address_space is provided. This function is in charge to assign values to

How about:
                                    This function assigns values to the kmem and
   pfn parameters.

> +the pointers kmem and pfn. The 3rd argument indicates whether the function 
> +should allocate blocks if needed.
>  
>  This address space operation is mutually exclusive with readpage&writepage that
>  do page cache read/write operations.


Thanks.

---
~Randy
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