[PATCH] documentation: xip documentation update

[Marco Stornelli]

From: Marco Stornelli <marco.stornelli@xxxxxxxxx>

xip documentation updated
Signed-off-by: Marco Stornelli <marco.stornelli@xxxxxxxxx>
---

--- 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
+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.



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