Sudarshan Rajagopalan 417ac617ea ANDROID: mm/memory_hotplug: implement {add/remove}_memory_subsection ...

Memory hotplugging is allowed only for multiples of section sizes.
Section size could be huge (ex. 1GB for arm64 targets) thus limiting
to add/remove lower chunks of memory. This patch allows drivers to add
memory of subsection sizes which are then added to memblock. This does
not create a separate memblock device nodes for newly added subsections
until the whole of the memblock section is added.

Bug: 170460867
Change-Id: I15749b5320340cba4d526e7ddb26a9cd6029c690
Signed-off-by: Sudarshan Rajagopalan <sudaraja@codeaurora.org>

2021-01-12 18:23:34 +00:00

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