This test allocates a page of every available size and doesn't have any SKIP logic if the allocation fails. So, ensure it's available and skip the test if we can't do so.
Signed-off-by: Brendan Jackman jackmanb@google.com --- tools/testing/selftests/mm/run_vmtests.sh | 23 ++++++++++++++++++++++- 1 file changed, 22 insertions(+), 1 deletion(-)
diff --git a/tools/testing/selftests/mm/run_vmtests.sh b/tools/testing/selftests/mm/run_vmtests.sh index 0f9fe757c3320a6551e39b6d4552fd4874b0bf43..e86ef8cb37d00e572be8cf0ea9cc8246d4eecd7e 100755 --- a/tools/testing/selftests/mm/run_vmtests.sh +++ b/tools/testing/selftests/mm/run_vmtests.sh @@ -309,9 +309,30 @@ CATEGORY="userfaultfd" run_test ${uffd_stress_bin} hugetlb "$half_ufd_size_MB" 3 CATEGORY="userfaultfd" run_test ${uffd_stress_bin} hugetlb-private "$half_ufd_size_MB" 32 CATEGORY="userfaultfd" run_test ${uffd_stress_bin} shmem 20 16 CATEGORY="userfaultfd" run_test ${uffd_stress_bin} shmem-private 20 16 -CATEGORY="userfaultfd" run_test ./uffd-wp-mremap +# uffd-wp-mremap requires at least one page of each size. +have_all_size_hugepgs=true +declare -A nr_size_hugepgs +for f in /sys/kernel/mm/hugepages/**/nr_hugepages; do + old=$(cat $f) + nr_size_hugepgs["$f"]="$old" + if [ "$old" == 0 ]; then + echo 1 > "$f" + fi + if [ $(cat "$f") == 0 ]; then + have_all_size_hugepgs=false + break + fi +done +if $have_all_size_hugepgs; then + CATEGORY="userfaultfd" run_test ./uffd-wp-mremap +else + echo "# SKIP ./uffd-wp-mremap" +fi
#cleanup +for f in "${!nr_size_hugepgs[@]}"; do + echo "${nr_size_hugepgs["$f"]}" > "$f" +done echo "$nr_hugepgs" > /proc/sys/vm/nr_hugepages
CATEGORY="compaction" run_test ./compaction_test