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selftests/mm: fix uffd-stress unused function warning

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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>
This commit is contained in:
John Hubbard 2023-06-06 00:16:27 -07:00 committed by Andrew Morton
parent e6c715abb4
commit 9a61100e68
1 changed files with 0 additions and 10 deletions
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10
tools/testing/selftests/mm/uffd-stress.c
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@ -88,16 +88,6 @@ static void uffd_stats_reset(struct uffd_args *args, unsigned long n_cpus)
}
}
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;