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authorIngo Molnar <mingo@elte.hu>2008-11-17 10:46:18 +0100
committerIngo Molnar <mingo@elte.hu>2008-11-17 10:46:18 +0100
commit9dacc71ff31a008d1e689fc824d31f6696454f68 (patch)
treeb792f9c30008e1ed469a73ead4339fdf8a50a5ce /Documentation/filesystems/xip.txt
parent19f47c634ea8c5a10ff7bb1a08c52fd0f49bc54c (diff)
parent9bf1a2445f3c569098b8de7097ca324e65abecc2 (diff)
Merge commit 'v2.6.28-rc5' into x86/cleanups
Diffstat (limited to 'Documentation/filesystems/xip.txt')
-rw-r--r--Documentation/filesystems/xip.txt9
1 files changed, 5 insertions, 4 deletions
diff --git a/Documentation/filesystems/xip.txt b/Documentation/filesystems/xip.txt
index 3cc4010521a..0466ee56927 100644
--- 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.