On Wed, Dec 07, 2016 at 11:40:00AM -0800, Scott Branden wrote: > Make MAX_PHYSMEM_BITS and SECTIONS_SIZE_BITS configurable by adding > config options. > Default to current settings currently defined in sparesmem.h. > For systems wishing to save memory the config options can be overridden. > Example, changing MAX_PHYSMEM_BITS from 48 to 36 at the same time as > changing SECTION_SIZE_BITS from 30 to 26 frees 13MB of memory.
I'm not keen on such change, it's a big departure from the single Image aims. I would rather reduce SECTION_SIZE_BITS permanently where feasible, like in this patch: http://lkml.kernel.org/r/1465821119-3384-1-git-send-email-jszh...@marvell.com -- Catalin