On 6/28/21 2:34 AM, Gavin Shan wrote: > The empty memory nodes, where no memory resides in, are allowed. > For these empty memory nodes, the 'len' of 'reg' property is zero. > The NUMA node IDs are still valid and parsed, but memory may be > added to them through hotplug afterwards. I finds difficulty to > get where it's properly documented. > > So lets add a section for empty memory nodes in NUMA binding > document. Also, the 'unit-address', equivalent to 'base-address' > in the 'reg' property of these empty memory nodes is suggested to > be the summation of highest memory address plus the NUMA node ID. > > Signed-off-by: Gavin Shan <gshan@xxxxxxxxxx> > --- > v5: Separate section for empty memory node > --- > Documentation/devicetree/bindings/numa.txt | 61 +++++++++++++++++++++- > 1 file changed, 60 insertions(+), 1 deletion(-) > LGTM. Thanks. Acked-by: Randy Dunlap <rdunlap@xxxxxxxxxxxxx> -- ~Randy
