On Mon, Apr 28, 2025 at 11:03 AM T.J. Mercier <tjmerc...@google.com> wrote:
>
> The closing parentheses around the read syscall is misplaced, causing
> single byte reads from the iterator instead of buf sized reads. While
> the end result is the same, many more read calls than necessary are
> performed.
>
> $ tools/testing/selftests/bpf/vmtest.sh "./test_progs -t kmem_cache_iter"
> 145/1 kmem_cache_iter/check_task_struct:OK
> 145/2 kmem_cache_iter/check_slabinfo:OK
> 145/3 kmem_cache_iter/open_coded_iter:OK
> 145 kmem_cache_iter:OK
> Summary: 1/3 PASSED, 0 SKIPPED, 0 FAILED
>
> Fixes: a496d0cdc84d ("selftests/bpf: Add a test for kmem_cache_iter")
> Signed-off-by: T.J. Mercier <tjmerc...@google.com>
Acked-by: Song Liu <s...@kernel.org>
