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authorDavid Vrabel <david.vrabel@csr.com>2008-11-19 14:48:07 +0000
committerDavid Vrabel <david.vrabel@csr.com>2008-11-19 14:48:07 +0000
commitdba0a918722ee0f0ba3442575e4448c3ab622be4 (patch)
treefdb466cf09e7916135098d651b18924b2fe9ba5f /Documentation/filesystems/xip.txt
parent0996e6382482ce9014787693d3884e9468153a5c (diff)
parent7f0f598a0069d1ab072375965a4b69137233169c (diff)
downloadtalos-op-linux-dba0a918722ee0f0ba3442575e4448c3ab622be4.tar.gz
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Merge branch 'master' of git://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux-2.6 into for-upstream
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 3cc4010521a0..0466ee569278 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.
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