diff --git a/boards/risc-v/qemu-rv/rv-virt/configs/knsh/defconfig b/boards/risc-v/qemu-rv/rv-virt/configs/knsh/defconfig
index da49a7dc6bf..592c03cb39e 100644
--- a/boards/risc-v/qemu-rv/rv-virt/configs/knsh/defconfig
+++ b/boards/risc-v/qemu-rv/rv-virt/configs/knsh/defconfig
@@ -30,6 +30,8 @@ CONFIG_ARCH_HEAP_NPAGES=128
 CONFIG_ARCH_HEAP_VBASE=0xC0800000
 CONFIG_ARCH_INTERRUPTSTACK=2048
 CONFIG_ARCH_KERNEL_STACKSIZE=3072
+CONFIG_ARCH_KMAP_NPAGES=256
+CONFIG_ARCH_KMAP_VBASE=0x42000000
 CONFIG_ARCH_PGPOOL_MAPPING=y
 CONFIG_ARCH_PGPOOL_PBASE=0x80a00000
 CONFIG_ARCH_PGPOOL_SIZE=4194304
@@ -67,6 +69,7 @@ CONFIG_LIBC_EXECFUNCS=y
 CONFIG_LIBC_PERROR_STDOUT=y
 CONFIG_LIBC_STRERROR=y
 CONFIG_LIBM=y
+CONFIG_MM_KMAP=y
 CONFIG_MM_PGALLOC=y
 CONFIG_NFILE_DESCRIPTORS_PER_BLOCK=6
 CONFIG_NSH_ARCHINIT=y