riscv: Force flat memory model with no-mmu
[ Upstream commit aa2734202acc506d09c8e641db4da161f902df27 ] Compilation errors trigger if ARCH_SPARSEMEM_ENABLE is enabled for a nommu kernel. Since the sparsemem model does not make sense anyway for the nommu case, do not allow selecting this option to always use the flatmem model. Signed-off-by: Damien Le Moal <damien.lemoal@wdc.com> Reviewed-by: Anup Patel <anup@brainfault.org> Reviewed-by: Palmer Dabbelt <palmerdabbelt@google.com> Signed-off-by: Palmer Dabbelt <palmerdabbelt@google.com> Signed-off-by: Sasha Levin <sashal@kernel.org>
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@ -101,6 +101,7 @@ config ARCH_FLATMEM_ENABLE
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config ARCH_SPARSEMEM_ENABLE
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def_bool y
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depends on MMU
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select SPARSEMEM_VMEMMAP_ENABLE
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config ARCH_SELECT_MEMORY_MODEL
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