DOC: update xip method info

[linux-2.6-omap-h63xx.git] / Documentation / filesystems / xip.txt

diff --git a/Documentation/filesystems/xip.txt b/Documentation/filesystems/xip.txt
index 3cc4010521a019562e68eb070aa83ad78b0e8c4b..0466ee569278e43b2ccf80d444ab3c38d1ad5e44 100644 (file)
--- a/Documentation/filesystems/xip.txt
+++ b/Documentation/filesystems/xip.txt
@@ -39,10 +39,11 @@ The block device operation is optional, these block devices support it as of
 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 references
+to a page frame number and a kernel address. To obtain these values a reference
+to an address_space is provided. This function assigns values to the kmem and
+pfn parameters. The third 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.