void free_some_phase1(int classno) {
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The trade-off is performance. Every syscall goes through user-space interception, which adds overhead. I/O-heavy workloads feel this the most. For short-lived code execution like scripts and tests, it is usually fine, but for sustained high-throughput I/O, it can matter.
The president has spoken of tariffs as a tool to encourage the reshoring of jobs back to the U.S. Although this may be true for large-scale manufacturing—Volvo is increasing production at its Ridgeville plant in South Carolina, for example—it is not true for many firms which rely on China for production. Three-quarters of all U.S. toys are manufactured there.