Re: [PATCH v8 3/3] selftests/mm: add new selftests for KSM

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+/* Verify that KSM can be enabled / queried with prctl. */
+static void test_prctl(void)
+{
+	int ret;
+
+	ksft_print_msg("[RUN] %s\n", __func__);
+
+	ret = prctl(PR_SET_MEMORY_MERGE, 1, 0, 0, 0);
+	if (ret < 0 && errno == EINVAL) {
+		ksft_test_result_skip("PR_SET_MEMORY_MERGE not supported\n");
+		return;
+	} else if (ret) {
+		ksft_test_result_fail("PR_SET_MEMORY_MERGE=1 failed\n");
+	}

Just realized we're missing a "return;" in case of the failure here.

--
Thanks,

David / dhildenb




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