linux-kernel - [PATCH v3 7/8] selftests/mm: Substitute attribute with a macro

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Date:   Fri, 22 Sep 2023 11:06:43 +0200
From:   Maciej Wieczor-Retman <maciej.wieczor-retman@...el.com>
To:     Andrew Morton <akpm@...ux-foundation.org>,
        Shuah Khan <shuah@...nel.org>
Cc:     ilpo.jarvinen@...ux.intel.com, linux-mm@...ck.org,
        linux-kselftest@...r.kernel.org, linux-kernel@...r.kernel.org
Subject: [PATCH v3 7/8] selftests/mm: Substitute attribute with a macro

The mm selftest uses the printf attribute in its full form. Since the
header file that uses it also includes kselftests.h it can use the macro
defined there.

Use __printf() included with kselftests.h instead of the full attribute.

Fix a wrong format specifier in ksft_print_msg().

Signed-off-by: Maciej Wieczor-Retman <maciej.wieczor-retman@...el.com>
---
Changelog v2:
- Add this patch to the series.

 tools/testing/selftests/mm/mremap_test.c  | 2 +-
 tools/testing/selftests/mm/pkey-helpers.h | 2 +-
 2 files changed, 2 insertions(+), 2 deletions(-)

diff --git a/tools/testing/selftests/mm/mremap_test.c b/tools/testing/selftests/mm/mremap_test.c
index 5c3773de9f0f..1dbfcf6df255 100644
--- a/tools/testing/selftests/mm/mremap_test.c
+++ b/tools/testing/selftests/mm/mremap_test.c
@@ -338,7 +338,7 @@ static long long remap_region(struct config c, unsigned int threshold_mb,
 		char c = (char) rand();
 
 		if (((char *) dest_addr)[i] != c) {
-			ksft_print_msg("Data after remap doesn't match at offset %d\n",
+			ksft_print_msg("Data after remap doesn't match at offset %llu\n",
 				       i);
 			ksft_print_msg("Expected: %#x\t Got: %#x\n", c & 0xff,
 					((char *) dest_addr)[i] & 0xff);
diff --git a/tools/testing/selftests/mm/pkey-helpers.h b/tools/testing/selftests/mm/pkey-helpers.h
index 92f3be3dd8e5..1af3156a9db8 100644
--- a/tools/testing/selftests/mm/pkey-helpers.h
+++ b/tools/testing/selftests/mm/pkey-helpers.h
@@ -34,7 +34,7 @@ extern int test_nr;
 extern int iteration_nr;
 
 #ifdef __GNUC__
-__attribute__((format(printf, 1, 2)))
+__printf(1, 2)
 #endif
 static inline void sigsafe_printf(const char *format, ...)
 {
-- 
2.42.0