bash
# TARGETS 里的是位于 tools/testing/selftests 的目录,可以多个,用空格隔开
# 编译产物在 out/x86_64/kselftest
make O=out/x86_64 TARGETS="mm memfd" kselftest-all
# 编译并运行
make O=out/x86_64 TARGETS="mm memfd" kselftest
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