diff options
author | Takashi Iwai <tiwai@suse.de> | 2008-12-01 18:02:17 +0100 |
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committer | Takashi Iwai <tiwai@suse.de> | 2008-12-01 18:02:17 +0100 |
commit | 3af4182cc5be7d5505f9801ee3297373f1872446 (patch) | |
tree | 214348d40ed547a72f9612a7e5c94a01afded812 /Documentation/filesystems/xip.txt | |
parent | f5d4c67e41a262f0cdfaec1bb0fa8e5952187ef9 (diff) | |
parent | c07f62e5f18123103459ff74e86af1518a5b8af5 (diff) |
Merge branch 'upstream' into topic/asoc
Diffstat (limited to 'Documentation/filesystems/xip.txt')
-rw-r--r-- | Documentation/filesystems/xip.txt | 9 |
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. |