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-rw-r--r--tools/testing/selftests/vm/userfaultfd.c16
1 files changed, 13 insertions, 3 deletions
diff --git a/tools/testing/selftests/vm/userfaultfd.c b/tools/testing/selftests/vm/userfaultfd.c
index a9e0b91..0671ae1 100644
--- a/tools/testing/selftests/vm/userfaultfd.c
+++ b/tools/testing/selftests/vm/userfaultfd.c
@@ -66,9 +66,7 @@
#include <pthread.h>
#include <linux/userfaultfd.h>
-#ifndef __NR_userfaultfd
-#error "missing __NR_userfaultfd definition"
-#endif
+#ifdef __NR_userfaultfd
static unsigned long nr_cpus, nr_pages, nr_pages_per_cpu, page_size;
@@ -631,3 +629,15 @@ int main(int argc, char **argv)
nr_pages, nr_pages_per_cpu);
return userfaultfd_stress();
}
+
+#else /* __NR_userfaultfd */
+
+#warning "missing __NR_userfaultfd definition"
+
+int main(void)
+{
+ printf("skip: Skipping userfaultfd test (missing __NR_userfaultfd)\n");
+ return 0;
+}
+
+#endif /* __NR_userfaultfd */
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