From: Marco Pagani Date: Fri, 25 Aug 2023 13:35:46 +0000 (+0200) Subject: docs/mm: remove references to hmm_mirror ops and clean typos X-Git-Url: http://git.maquefel.me/?a=commitdiff_plain;h=090a7f1009b8447565a03b649189e6ff83e8e5e7;p=linux.git 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 Reviewed-by: Mika Penttilä Reviewed-by: Jason Gunthorpe Signed-off-by: Jonathan Corbet Link: https://lore.kernel.org/r/20230825133546.249683-1-marpagan@redhat.com --- diff --git a/Documentation/mm/hmm.rst b/Documentation/mm/hmm.rst index fec21e6f22841..0595098a74d9d 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(...) {