[PATCH v2 4/4] selftests/vm: Drop mnt point for hugetlb in run_vmtests.sh

From: Peter Xu
Date: Fri Oct 14 2022 - 10:40:38 EST


After converting all the three relevant testcases (uffd, madvise, mremap)
to use memfd, no test will need the hugetlb mount point anymore. Drop the
code.

Reviewed-by: Axel Rasmussen <axelrasmussen@xxxxxxxxxx>
Signed-off-by: Peter Xu <peterx@xxxxxxxxxx>
---
tools/testing/selftests/vm/run_vmtests.sh | 18 +++---------------
1 file changed, 3 insertions(+), 15 deletions(-)

diff --git a/tools/testing/selftests/vm/run_vmtests.sh b/tools/testing/selftests/vm/run_vmtests.sh
index e780e76c26b8..0dc9f545a32d 100755
--- a/tools/testing/selftests/vm/run_vmtests.sh
+++ b/tools/testing/selftests/vm/run_vmtests.sh
@@ -5,7 +5,6 @@
# Kselftest framework requirement - SKIP code is 4.
ksft_skip=4

-mnt=./huge
exitcode=0

#get huge pagesize and freepages from /proc/meminfo
@@ -84,9 +83,6 @@ run_test() {
fi
}

-mkdir "$mnt"
-mount -t hugetlbfs none "$mnt"
-
run_test ./hugepage-mmap

shmmax=$(cat /proc/sys/kernel/shmmax)
@@ -98,14 +94,9 @@ echo "$shmmax" > /proc/sys/kernel/shmmax
echo "$shmall" > /proc/sys/kernel/shmall

run_test ./map_hugetlb
-
-run_test ./hugepage-mremap "$mnt"/huge_mremap
-rm -f "$mnt"/huge_mremap
-
+run_test ./hugepage-mremap
run_test ./hugepage-vmemmap
-
-run_test ./hugetlb-madvise "$mnt"/madvise-test
-rm -f "$mnt"/madvise-test
+run_test ./hugetlb-madvise

echo "NOTE: The above hugetlb tests provide minimal coverage. Use"
echo " https://github.com/libhugetlbfs/libhugetlbfs.git for"
@@ -126,14 +117,11 @@ for mod in "${uffd_mods[@]}"; do
# Hugetlb tests require source and destination huge pages. Pass in half
# the size ($half_ufd_size_MB), which is used for *each*.
run_test ./userfaultfd hugetlb${mod} "$half_ufd_size_MB" 32
- run_test ./userfaultfd hugetlb_shared${mod} "$half_ufd_size_MB" 32 "$mnt"/uffd-test
- rm -f "$mnt"/uffd-test
+ run_test ./userfaultfd hugetlb_shared${mod} "$half_ufd_size_MB" 32
run_test ./userfaultfd shmem${mod} 20 16
done

#cleanup
-umount "$mnt"
-rm -rf "$mnt"
echo "$nr_hugepgs" > /proc/sys/vm/nr_hugepages

run_test ./compaction_test
--
2.37.3