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docs/mm: remove references to hmm_mirror ops and clean typos

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Clean typos and remove the reference to the sync_cpu_device_pagetables()
callback since all hmm_mirror ops have been removed.

Fixes: a22dd50640 ("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
This commit is contained in:
Marco Pagani 2023-08-25 15:35:46 +02:00 committed by Jonathan Corbet
parent 21b25bd111
commit 090a7f1009
1 changed files with 1 additions and 10 deletions
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11
Documentation/mm/hmm.rst
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@ -163,16 +163,7 @@ use::
It will trigger a page fault on missing or read-only entries if write access is 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 requested (see below). Page faults use the generic mm page fault code path just
like a CPU page fault. like a CPU page fault. The usage pattern is::
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::
int driver_populate_range(...) int driver_populate_range(...)
{ {