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-rw-r--r--tools/testing/selftests/vm/thuge-gen.c2
1 files changed, 2 insertions, 0 deletions
diff --git a/tools/testing/selftests/vm/thuge-gen.c b/tools/testing/selftests/vm/thuge-gen.c
index c87957295f74..0bc737a75150 100644
--- a/tools/testing/selftests/vm/thuge-gen.c
+++ b/tools/testing/selftests/vm/thuge-gen.c
@@ -30,7 +30,9 @@
#define MAP_HUGE_1GB (30 << MAP_HUGE_SHIFT)
#define MAP_HUGE_SHIFT 26
#define MAP_HUGE_MASK 0x3f
+#if !defined(MAP_HUGETLB)
#define MAP_HUGETLB 0x40000
+#endif
#define SHM_HUGETLB 04000 /* segment will use huge TLB pages */
#define SHM_HUGE_SHIFT 26