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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: 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
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(...)
{