+ selftests-mm-centralize-the-__always_unused-macro.patch added to mm-new branch

[Andrew Morton <akpm@linux-foundation.org>]

The patch titled
     Subject: selftests/mm: centralize the __always_unused macro
has been added to the -mm mm-new branch.  Its filename is
     selftests-mm-centralize-the-__always_unused-macro.patch

This patch will shortly appear at
     https://git.kernel.org/pub/scm/linux/kernel/git/akpm/25-new.git/tree/patches/selftests-mm-centralize-the-__always_unused-macro.patch

This patch will later appear in the mm-new branch at
    git://git.kernel.org/pub/scm/linux/kernel/git/akpm/mm

Note, mm-new is a provisional staging ground for work-in-progress
patches, and acceptance into mm-new is a notification for others take
notice and to finish up reviews.  Please do not hesitate to respond to
review feedback and post updated versions to replace or incrementally
fixup patches in mm-new.

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------------------------------------------------------
From: Muhammad Usama Anjum <usama.anjum@collabora.com>
Subject: selftests/mm: centralize the __always_unused macro
Date: Fri, 12 Sep 2025 17:51:01 +0500

This macro gets used in different tests.  Add it to kselftest.h which is
central location and tests use this header.  Then use this new macro.

Link: https://lkml.kernel.org/r/20250912125102.1309796-1-usama.anjum@collabora.com
Signed-off-by: Muhammad Usama Anjum <usama.anjum@collabora.com>
Acked-by: David Hildenbrand <david@redhat.com>
Cc: Antonio Quartulli <antonio@openvpn.net>
Cc: David S. Miller <davem@davemloft.net>
Cc: Eric Dumazet <edumazet@google.com>
Cc: Jakub Kacinski <kuba@kernel.org>
Cc: Liam Howlett <liam.howlett@oracle.com>
Cc: Lorenzo Stoakes <lorenzo.stoakes@oracle.com>
Cc: Michal Hocko <mhocko@suse.com>
Cc: Mike Rapoport <rppt@kernel.org>
Cc: Paolo Abeni <pabeni@redhat.com>
Cc: "Sabrina Dubroca" <sd@queasysnail.net>
Cc: Shuah Khan <shuah@kernel.org>
Cc: Simon Horman <horms@kernel.org>
Cc: Suren Baghdasaryan <surenb@google.com>
Cc: Vlastimil Babka <vbabka@suse.cz>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
---

 tools/testing/selftests/kselftest.h          |    4 ++++
 tools/testing/selftests/mm/protection_keys.c |    2 +-
 tools/testing/selftests/net/ovpn/ovpn-cli.c  |    3 ++-
 3 files changed, 7 insertions(+), 2 deletions(-)

--- a/tools/testing/selftests/kselftest.h~selftests-mm-centralize-the-__always_unused-macro
+++ a/tools/testing/selftests/kselftest.h
@@ -92,6 +92,10 @@
 #endif
 #define __printf(a, b)   __attribute__((format(printf, a, b)))
 
+#ifndef __always_unused
+#define __always_unused __attribute__((__unused__))
+#endif
+
 #ifndef __maybe_unused
 #define __maybe_unused __attribute__((__unused__))
 #endif
--- a/tools/testing/selftests/mm/protection_keys.c~selftests-mm-centralize-the-__always_unused-macro
+++ a/tools/testing/selftests/mm/protection_keys.c
@@ -1304,7 +1304,7 @@ static void test_mprotect_with_pkey_0(in
 
 static void test_ptrace_of_child(int *ptr, u16 pkey)
 {
-	__attribute__((__unused__)) int peek_result;
+	__always_unused int peek_result;
 	pid_t child_pid;
 	void *ignored = 0;
 	long ret;
--- a/tools/testing/selftests/net/ovpn/ovpn-cli.c~selftests-mm-centralize-the-__always_unused-macro
+++ a/tools/testing/selftests/net/ovpn/ovpn-cli.c
@@ -32,9 +32,10 @@
 
 #include <sys/socket.h>
 
+#include "../../kselftest.h"
+
 /* defines to make checkpatch happy */
 #define strscpy strncpy
-#define __always_unused __attribute__((__unused__))
 
 /* libnl < 3.5.0 does not set the NLA_F_NESTED on its own, therefore we
  * have to explicitly do it to prevent the kernel from failing upon
_

Patches currently in -mm which might be from usama.anjum@collabora.com are

selftests-mm-centralize-the-__always_unused-macro.patch