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The ARRAY_SIZE macro is defined to get an array's size which is more compact and more formal in linux source. Thus, we can replace the long sizeof(arr)/sizeof(arr[0]) with the compact ARRAY_SIZE. Signed-off-by: Jason Wang <wangborong@cdjrlc.com> Reviewed-by: Tariq Toukan <tariqt@nvidia.com> Link: https://lore.kernel.org/r/20210817121106.44189-1-wangborong@cdjrlc.com Signed-off-by: Jakub Kicinski <kuba@kernel.org>