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| author | Ingo Molnar <mingo@elte.hu> | 2010-12-08 20:15:26 +0100 |
|---|---|---|
| committer | Ingo Molnar <mingo@elte.hu> | 2010-12-08 20:15:29 +0100 |
| commit | 8e9255e6a2141e050d51bc4d96dbef494a87d653 (patch) | |
| tree | f190b142830153eaab05555a93c4f71a144ba3d4 /Documentation/filesystems/vfs.txt | |
| parent | sched: Add 'autogroup' scheduling feature: automated per session task groups (diff) | |
| parent | Merge branches 'x86-fixes-for-linus', 'perf-fixes-for-linus' and 'sched-fixes... (diff) | |
| download | linux-8e9255e6a2141e050d51bc4d96dbef494a87d653.tar.xz linux-8e9255e6a2141e050d51bc4d96dbef494a87d653.zip | |
Merge branch 'linus' into sched/core
Merge reason: we want to queue up dependent cleanup
Signed-off-by: Ingo Molnar <mingo@elte.hu>
Diffstat (limited to 'Documentation/filesystems/vfs.txt')
| -rw-r--r-- | Documentation/filesystems/vfs.txt | 9 |
1 files changed, 4 insertions, 5 deletions
diff --git a/Documentation/filesystems/vfs.txt b/Documentation/filesystems/vfs.txt index ed7e5efc06d8..55c28b79d8dc 100644 --- a/Documentation/filesystems/vfs.txt +++ b/Documentation/filesystems/vfs.txt @@ -660,11 +660,10 @@ struct address_space_operations { releasepage: releasepage is called on PagePrivate pages to indicate that the page should be freed if possible. ->releasepage should remove any private data from the page and clear the - PagePrivate flag. It may also remove the page from the - address_space. If this fails for some reason, it may indicate - failure with a 0 return value. - This is used in two distinct though related cases. The first - is when the VM finds a clean page with no active users and + PagePrivate flag. If releasepage() fails for some reason, it must + indicate failure with a 0 return value. + releasepage() is used in two distinct though related cases. The + first is when the VM finds a clean page with no active users and wants to make it a free page. If ->releasepage succeeds, the page will be removed from the address_space and become free. |