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-rw-r--r--arch/s390/Kconfig8
1 files changed, 8 insertions, 0 deletions
diff --git a/arch/s390/Kconfig b/arch/s390/Kconfig
index 8f5f02160ff..29a7940f284 100644
--- a/arch/s390/Kconfig
+++ b/arch/s390/Kconfig
@@ -300,6 +300,14 @@ comment "Kernel preemption"
source "kernel/Kconfig.preempt"
+config ARCH_SPARSEMEM_ENABLE
+ def_bool y
+ select SPARSEMEM_VMEMMAP_ENABLE
+ select SPARSEMEM_VMEMMAP
+
+config ARCH_SPARSEMEM_DEFAULT
+ def_bool y
+
source "mm/Kconfig"
comment "I/O subsystem configuration"