RISC-V: Remove any memblock representing unusable memory area
RISC-V limits the physical memory size by -PAGE_OFFSET. Any memory beyond that size from DRAM start is unusable. Just remove any memblock pointing to those memory region without worrying about computing the maximum size. Signed-off-by: Atish Patra <atish.patra@wdc.com> Reviewed-by: Mike Rapoport <rppt@linux.ibm.com> Signed-off-by: Palmer Dabbelt <palmerdabbelt@google.com>
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