radix tree test suite: Build 32 bit binaries

Add option 'make BUILD=32' for building 32-bit binaries.

Signed-off-by: Rehas Sachdeva <aquannie@gmail.com>
Signed-off-by: Matthew Wilcox <mawilcox@microsoft.com>

diff --git a/tools/testing/radix-tree/Makefile b/tools/testing/radix-tree/Makefile
index f11315b..b59c2a9 100644 (file)
--- a/tools/testing/radix-tree/Makefile
+++ b/tools/testing/radix-tree/Makefile
@@ -10,6 +10,10 @@ ifndef SHIFT
        SHIFT=3
 endif
 
+ifeq ($(BUILD), 32)
+       CFLAGS += -m32
+endif
+
 targets: mapshift $(TARGETS)
 
 main:  $(OFILES)