GUP_LONGTERM_BENCHMARK    9 mm/gup_benchmark.c #define GUP_LONGTERM_BENCHMARK	_IOWR('g', 2, struct gup_benchmark)
GUP_LONGTERM_BENCHMARK   18 tools/testing/selftests/vm/gup_benchmark.c #define GUP_LONGTERM_BENCHMARK	_IOWR('g', 2, struct gup_benchmark)