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Zong Li authored
Add System RAM to /proc/iomem, various tools expect it such as kdump. It is also needed for page_is_ram API which checks the specified address whether registered as System RAM in iomem_resource list. Signed-off-by:
Zong Li <zong.li@sifive.com> [Palmer: check MEMBLOCK_NOMAP] Signed-off-by:
Palmer Dabbelt <palmerdabbelt@google.com>
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