+ selftests-mm-fix-uffd-stress-unused-function-warning.patch added to mm-unstable branch

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

The patch titled
     Subject: selftests/mm: fix uffd-stress unused function warning
has been added to the -mm mm-unstable branch.  Its filename is
     selftests-mm-fix-uffd-stress-unused-function-warning.patch

This patch will shortly appear at
     https://git.kernel.org/pub/scm/linux/kernel/git/akpm/25-new.git/tree/patches/selftests-mm-fix-uffd-stress-unused-function-warning.patch

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

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------------------------------------------------------
From: John Hubbard <jhubbard@nvidia.com>
Subject: selftests/mm: fix uffd-stress unused function warning
Date: Tue, 6 Jun 2023 00:16:27 -0700

Patch series "A minor flurry of selftest/mm fixes", v3.

A series that fixes up build errors and warnings for at least the 64-bit
builds on x86 with clang.

The series also includes an optional "improvement" of moving some uffd
code into uffd-common.[ch], which is proving to be somewhat controversial,
and so if that doesn't get resolved, then patches 9 and 10 may just get
dropped.  They are not required in order to get a clean build, now that
"make headers" is happening.

[1]: https://lore.kernel.org/all/20230602013358.900637-1-jhubbard@nvidia.com/


This patch (of 11):

uffd_minor_feature() was unused.  Remove it in order to fix the associated
clang build warning.

Link: https://lkml.kernel.org/r/20230606071637.267103-1-jhubbard@nvidia.com
Link: https://lkml.kernel.org/r/20230606071637.267103-2-jhubbard@nvidia.com
Signed-off-by: John Hubbard <jhubbard@nvidia.com>
Reviewed-by: David Hildenbrand <david@redhat.com>
Reviewed-by: Peter Xu <peterx@redhat.com>
Cc: Jonathan Corbet <corbet@lwn.net>
Cc: Muhammad Usama Anjum <usama.anjum@collabora.com>
Cc: Nathan Chancellor <nathan@kernel.org>
Cc: Shuah Khan <shuah@kernel.org>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
---

 tools/testing/selftests/mm/uffd-stress.c |   10 ----------
 1 file changed, 10 deletions(-)

--- a/tools/testing/selftests/mm/uffd-stress.c~selftests-mm-fix-uffd-stress-unused-function-warning
+++ a/tools/testing/selftests/mm/uffd-stress.c
@@ -88,16 +88,6 @@ static void uffd_stats_reset(struct uffd
 	}
 }
 
-static inline uint64_t uffd_minor_feature(void)
-{
-	if (test_type == TEST_HUGETLB && map_shared)
-		return UFFD_FEATURE_MINOR_HUGETLBFS;
-	else if (test_type == TEST_SHMEM)
-		return UFFD_FEATURE_MINOR_SHMEM;
-	else
-		return 0;
-}
-
 static void *locking_thread(void *arg)
 {
 	unsigned long cpu = (unsigned long) arg;
_

Patches currently in -mm which might be from jhubbard@nvidia.com are

selftests-mm-fix-uffd-stress-unused-function-warning.patch
selftests-mm-fix-unused-variable-warnings-in-hugetlb-madvisec-migrationc.patch
selftests-mm-fix-warning-expression-which-evaluates-to-zero-in-mlock2-testsc.patch
selftests-mm-fix-invocation-of-tests-that-are-run-via-shell-scripts.patch
selftests-mm-gitignore-add-mkdirty-va_high_addr_switch.patch
selftests-mm-fix-two-wformat-security-warnings-in-uffd-builds.patch
selftests-mm-fix-a-possibly-uninitialized-warning-in-pkey-x86h.patch
selftests-mm-fix-build-failures-due-to-missing-madv_collapse.patch
selftests-mm-move-certain-uffd-routines-from-vm_utilc-to-uffd-commonc.patch
documentation-kselftest-make-headers-is-a-prerequisite.patch
selftests-error-out-if-kernel-header-files-are-not-yet-built.patch
selftests-error-out-if-kernel-header-files-are-not-yet-built-fix.patch