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

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

[Marco Pagani]

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>
---
 Documentation/mm/hmm.rst | 11 +----------
 1 file changed, 1 insertion(+), 10 deletions(-)

diff --git a/Documentation/mm/hmm.rst b/Documentation/mm/hmm.rst
index 9aa512c3a12c..1e0f2b2f58fb 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(...)
  {
-- 
2.41.0

Re: [PATCH] docs/mm: remove references to hmm_mirror ops and clean typos

[Jason Gunthorpe]

On Fri, Aug 25, 2023 at 03:35:46PM +0200, Marco Pagani wrote:
> 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>
> ---
>  Documentation/mm/hmm.rst | 11 +----------
>  1 file changed, 1 insertion(+), 10 deletions(-)

Reviewed-by: Jason Gunthorpe <jgg@nvidia.com>

Jason

Re: [PATCH] docs/mm: remove references to hmm_mirror ops and clean typos

[Jonathan Corbet]

Marco Pagani <marpagan@redhat.com> writes:

> 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>
> ---
>  Documentation/mm/hmm.rst | 11 +----------
>  1 file changed, 1 insertion(+), 10 deletions(-)

Applied, thanks.

jon