Mike notes that Sphinx needs a newline before the start of a bulleted list, and v10 of the subsection patch set changed the subsection size from an arch-variable 'PMD_SIZE' to a constant 2MB. Cc: Jonathan Corbet <corbet@xxxxxxx> Reported-by: Mike Rapoport <rppt@xxxxxxxxxxxxx> Signed-off-by: Dan Williams <dan.j.williams@xxxxxxxxx> --- Hi Andrew, Another small fixup to fold on top of the subsection series. Thanks to Mike for the build test, I also caught that the doc was out of date. Documentation/vm/memory-model.rst | 5 +++-- 1 file changed, 3 insertions(+), 2 deletions(-) diff --git a/Documentation/vm/memory-model.rst b/Documentation/vm/memory-model.rst index e0af47e02e78..58a12376b7df 100644 --- a/Documentation/vm/memory-model.rst +++ b/Documentation/vm/memory-model.rst @@ -205,10 +205,11 @@ subject to its memory ranges being exposed through the sysfs memory hotplug api on memory block boundaries. The implementation relies on this lack of user-api constraint to allow sub-section sized memory ranges to be specified to :c:func:`arch_add_memory`, the top-half of -memory hotplug. Sub-section support allows for `PMD_SIZE` as the minimum -alignment granularity for :c:func:`devm_memremap_pages`. +memory hotplug. Sub-section support allows for 2MB as the cross-arch +common alignment granularity for :c:func:`devm_memremap_pages`. The users of `ZONE_DEVICE` are: + * pmem: Map platform persistent memory to be used as a direct-I/O target via DAX mappings.
