aboutsummaryrefslogtreecommitdiff
path: root/Documentation/filesystems/xip.txt
diff options
context:
space:
mode:
authorIngo Molnar <mingo@elte.hu>2008-12-16 22:04:48 +0100
committerIngo Molnar <mingo@elte.hu>2008-12-16 22:04:48 +0100
commit78f902ccc597d6ce3e8d1477d70f2d79e960ba7a (patch)
treec6ceab663de16501d1dda1c1596fe2dacaaef8e3 /Documentation/filesystems/xip.txt
parent9ee670fd87b7d69c8633b94c42aadcbbcb96f28e (diff)
parent8b1fae4e4200388b64dd88065639413cb3f1051c (diff)
Merge commit 'v2.6.28-rc8' into x86/doc
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.