GUP_FAST_BENCHMARK    8 mm/gup_benchmark.c #define GUP_FAST_BENCHMARK	_IOWR('g', 1, struct gup_benchmark)
GUP_FAST_BENCHMARK   17 tools/testing/selftests/vm/gup_benchmark.c #define GUP_FAST_BENCHMARK	_IOWR('g', 1, struct gup_benchmark)