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-rw-r--r--lib/Makefile2
1 files changed, 2 insertions, 0 deletions
diff --git a/lib/Makefile b/lib/Makefile
index bc4073a8cd08..2fc096985b21 100644
--- a/lib/Makefile
+++ b/lib/Makefile
@@ -24,6 +24,8 @@ lib-y := ctype.o string.o vsprintf.o cmdline.o \
is_single_threaded.o plist.o decompress.o kobject_uevent.o \
earlycpio.o seq_buf.o nmi_backtrace.o nodemask.o win_minmax.o
+CFLAGS_radix-tree.o += -DCONFIG_SPARSE_RCU_POINTER
+
lib-$(CONFIG_MMU) += ioremap.o
lib-$(CONFIG_SMP) += cpumask.o
lib-$(CONFIG_HAS_DMA) += dma-noop.o