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38d976c32d
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: a496d0cdc8 ("selftests/bpf: Add a test for kmem_cache_iter")
Signed-off-by: T.J. Mercier <tjmercier@google.com>
Signed-off-by: Martin KaFai Lau <martin.lau@kernel.org>
Acked-by: Song Liu <song@kernel.org>
Acked-by: Namhyung Kim <namhyung@kernel.org>
Link: https://patch.msgid.link/20250428180256.1482899-1-tjmercier@google.com