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| author | Souptick Joarder <jrdr.linux@gmail.com> | 2020-06-25 20:30:25 -0700 |
|---|---|---|
| committer | Linus Torvalds <torvalds@linux-foundation.org> | 2020-06-26 00:27:37 -0700 |
| commit | f9e559703d0899cc74684128244682182157aa64 (patch) | |
| tree | 1d580973b8cc2a5850c455bc0101664d07f5b7d8 /Documentation/core-api | |
| parent | 03960e33187ae969187281c3aa6c308d7282c468 (diff) | |
| download | lwn-f9e559703d0899cc74684128244682182157aa64.tar.gz lwn-f9e559703d0899cc74684128244682182157aa64.zip | |
docs: mm/gup: minor documentation update
Now there are 5 cases. Updated the same.
Link: http://lkml.kernel.org/r/1592422023-7401-1-git-send-email-jrdr.linux@gmail.com
Signed-off-by: Souptick Joarder <jrdr.linux@gmail.com>
Reviewed-by: John Hubbard <jhubbard@nvidia.com>
Cc: Jonathan Corbet <corbet@lwn.net>
Cc: Jan Kara <jack@suse.cz>
Cc: Kirill A. Shutemov <kirill.shutemov@linux.intel.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
Diffstat (limited to 'Documentation/core-api')
| -rw-r--r-- | Documentation/core-api/pin_user_pages.rst | 2 |
1 files changed, 1 insertions, 1 deletions
diff --git a/Documentation/core-api/pin_user_pages.rst b/Documentation/core-api/pin_user_pages.rst index 6068266dd303..7ca8c7bac650 100644 --- a/Documentation/core-api/pin_user_pages.rst +++ b/Documentation/core-api/pin_user_pages.rst @@ -33,7 +33,7 @@ all combinations of get*(), pin*(), FOLL_LONGTERM, and more. Also, the pin_user_pages*() APIs are clearly distinct from the get_user_pages*() APIs, so that's a natural dividing line, and a good point to make separate wrapper calls. In other words, use pin_user_pages*() for DMA-pinned pages, and -get_user_pages*() for other cases. There are four cases described later on in +get_user_pages*() for other cases. There are five cases described later on in this document, to further clarify that concept. FOLL_PIN and FOLL_GET are mutually exclusive for a given gup call. However, |