On Thu, Aug 11, 2016 at 05:44:46PM +0800, Xishi Qiu wrote: > arm64: > SECTION_SIZE_BITS 30 -----1G > > The memory hotplug(add_memory -->check_hotplug_memory_range) > must be aligned with section.So I can not add mem with 64M ... > Can I modify the SECTION_SIZE_BITS to 26?
There was a patch to reduce this to 27: http://lkml.kernel.org/g/[email protected] Also some discussions in this thread on a different patch: http://lkml.iu.edu/hypermail/linux/kernel/1604.1/03036.html Does your system really have such small alignment memory blocks? -- Catalin
