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| author | Marco Pagani <marpagan@redhat.com> | 2023-08-25 15:35:46 +0200 |
|---|---|---|
| committer | Jonathan Corbet <corbet@lwn.net> | 2023-08-28 12:41:17 -0600 |
| commit | 090a7f1009b8447565a03b649189e6ff83e8e5e7 (patch) | |
| tree | e4a09274405000158ddff7ee01ba1c1ee53c87ac /Documentation/mm | |
| parent | 21b25bd111be7c4f92e731cbb83f725d524789af (diff) | |
| download | lwn-090a7f1009b8447565a03b649189e6ff83e8e5e7.tar.gz lwn-090a7f1009b8447565a03b649189e6ff83e8e5e7.zip | |
docs/mm: remove references to hmm_mirror ops and clean typos
Clean typos and remove the reference to the sync_cpu_device_pagetables()
callback since all hmm_mirror ops have been removed.
Fixes: a22dd506400d ("mm/hmm: remove hmm_mirror and related")
Signed-off-by: Marco Pagani <marpagan@redhat.com>
Reviewed-by: Mika Penttilä <mpenttil@redhat.com>
Reviewed-by: Jason Gunthorpe <jgg@nvidia.com>
Signed-off-by: Jonathan Corbet <corbet@lwn.net>
Link: https://lore.kernel.org/r/20230825133546.249683-1-marpagan@redhat.com
Diffstat (limited to 'Documentation/mm')
| -rw-r--r-- | Documentation/mm/hmm.rst | 11 |
1 files changed, 1 insertions, 10 deletions
diff --git a/Documentation/mm/hmm.rst b/Documentation/mm/hmm.rst index fec21e6f2284..0595098a74d9 100644 --- a/Documentation/mm/hmm.rst +++ b/Documentation/mm/hmm.rst @@ -163,16 +163,7 @@ use:: It will trigger a page fault on missing or read-only entries if write access is requested (see below). Page faults use the generic mm page fault code path just -like a CPU page fault. - -Both functions copy CPU page table entries into their pfns array argument. Each -entry in that array corresponds to an address in the virtual range. HMM -provides a set of flags to help the driver identify special CPU page table -entries. - -Locking within the sync_cpu_device_pagetables() callback is the most important -aspect the driver must respect in order to keep things properly synchronized. -The usage pattern is:: +like a CPU page fault. The usage pattern is:: int driver_populate_range(...) { |