Literal blocks with :: markup should be indented, as otherwise
Sphinx complains:
Documentation/vm/hmm.rst:363: WARNING: Literal block expected; none found.
Fixes:
f7ebd9ed7767 ("mm/doc: add usage description for migrate_vma_*()")
Signed-off-by: Mauro Carvalho Chehab <mchehab+huawei@kernel.org>
system memory page, locks the page with ``lock_page()``, and fills in the
``dst`` array entry with::
- dst[i] = migrate_pfn(page_to_pfn(dpage)) | MIGRATE_PFN_LOCKED;
+ dst[i] = migrate_pfn(page_to_pfn(dpage)) | MIGRATE_PFN_LOCKED;
Now that the driver knows that this page is being migrated, it can
invalidate device private MMU mappings and copy device private memory