HSR_MAX_SEQ_BLOCKS
new_node->block_buf = kcalloc(HSR_MAX_SEQ_BLOCKS, block_sz, GFP_ATOMIC);
(node->next_block + 1) & (HSR_MAX_SEQ_BLOCKS - 1);
block_off = (node->next_block - 1) & (HSR_MAX_SEQ_BLOCKS - 1);
data->node.block_buf = kunit_kcalloc(test, HSR_MAX_SEQ_BLOCKS, block_sz,