On Tue, 16 Jun 2020, Anatoly Pugachev wrote:
> When running gup_benchmark test the following output states that
> the config options is missing.
>
> $ sudo ./gup_benchmark
> open: No such file or directory
>
> $ sudo strace -e trace=file ./gup_benchmark 2>&1 | tail -3
> openat(AT_FDCWD, "/sys/kernel/debug/gup_benchmark", O_RDWR) = -1 ENOENT
> (No such file or directory)
> open: No such file or directory
> +++ exited with 1 +++
>
> Fix it by adding config option fragment.
>
> Fixes: 64c349f4ae78 ("mm: add infrastructure for get_user_pages_fast() benchmarking")
> Signed-off-by: Anatoly Pugachev <matorola@xxxxxxxxx>
> CC: Jiri Kosina <trivial@xxxxxxxxxx>
> CC: Shuah Khan <shuah@xxxxxxxxxx>
> ---
> tools/testing/selftests/vm/config | 1 +
> 1 file changed, 1 insertion(+)
>
> diff --git a/tools/testing/selftests/vm/config b/tools/testing/selftests/vm/config
> index 3ba674b64fa9..69dd0d1aa30b 100644
> --- a/tools/testing/selftests/vm/config
> +++ b/tools/testing/selftests/vm/config
> @@ -3,3 +3,4 @@ CONFIG_USERFAULTFD=y
> CONFIG_TEST_VMALLOC=m
> CONFIG_DEVICE_PRIVATE=y
> CONFIG_TEST_HMM=m
> +CONFIG_GUP_BENCHMARK=y
Doesn't seem to be in linux-next as of today, I am picking it up. Thanks,
--
Jiri Kosina
SUSE Labs
