[PATCH v5 1/5] selftests: vm: add hugetlb_shared userfaultfd test to run_vmtests.sh
From: Axel Rasmussen <axelrasmussen@google.com>
Date: 2022-08-08 17:56:31
Also in:
linux-doc, linux-fsdevel, linux-kselftest, linux-mm, lkml
Subsystem:
kernel selftest framework, the rest · Maintainers:
Shuah Khan, Linus Torvalds
This not being included was just a simple oversight. There are certain features (like minor fault support) which are only enabled on shared mappings, so without including hugetlb_shared we actually lose a significant amount of test coverage. Reviewed-by: Shuah Khan <skhan@linuxfoundation.org> Reviewed-by: Peter Xu <peterx@redhat.com> Signed-off-by: Axel Rasmussen <axelrasmussen@google.com> --- tools/testing/selftests/vm/run_vmtests.sh | 6 ++++-- 1 file changed, 4 insertions(+), 2 deletions(-)
diff --git a/tools/testing/selftests/vm/run_vmtests.sh b/tools/testing/selftests/vm/run_vmtests.sh
index de86983b8a0f..b8e7f6f38d64 100755
--- a/tools/testing/selftests/vm/run_vmtests.sh
+++ b/tools/testing/selftests/vm/run_vmtests.sh@@ -121,9 +121,11 @@ run_test ./gup_test -a run_test ./gup_test -ct -F 0x1 0 19 0x1000 run_test ./userfaultfd anon 20 16 -# Test requires source and destination huge pages. Size of source -# (half_ufd_size_MB) is passed as argument to test. +# Hugetlb tests require source and destination huge pages. Pass in half the +# size ($half_ufd_size_MB), which is used for *each*. run_test ./userfaultfd hugetlb "$half_ufd_size_MB" 32 +run_test ./userfaultfd hugetlb_shared "$half_ufd_size_MB" 32 "$mnt"/uffd-test +rm -f "$mnt"/uffd-test run_test ./userfaultfd shmem 20 16 #cleanup
--
2.37.1.559.g78731f0fdb-goog