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Diffstat (limited to 'Documentation/core-api/pin_user_pages.rst')
| -rw-r--r-- | Documentation/core-api/pin_user_pages.rst | 2 |
1 files changed, 2 insertions, 0 deletions
diff --git a/Documentation/core-api/pin_user_pages.rst b/Documentation/core-api/pin_user_pages.rst index d3c1f6d8c0e0..6b5f7e6e7155 100644 --- a/Documentation/core-api/pin_user_pages.rst +++ b/Documentation/core-api/pin_user_pages.rst @@ -153,6 +153,8 @@ NOTE: Some pages, such as DAX pages, cannot be pinned with longterm pins. That's because DAX pages do not have a separate page cache, and so "pinning" implies locking down file system blocks, which is not (yet) supported in that way. +.. _mmu-notifier-registration-case: + CASE 3: MMU notifier registration, with or without page faulting hardware ------------------------------------------------------------------------- Device drivers can pin pages via get_user_pages*(), and register for mmu |