gup_test
struct gup_test *gup)
struct gup_test gup;
static void dump_pages_test(struct gup_test *gup, struct page **pages,
#define GUP_BASIC_TEST _IOWR('g', 4, struct gup_test)
#define PIN_BASIC_TEST _IOWR('g', 5, struct gup_test)
#define DUMP_USER_PAGES_TEST _IOWR('g', 6, struct gup_test)
#define GUP_FAST_BENCHMARK _IOWR('g', 1, struct gup_test)
#define PIN_FAST_BENCHMARK _IOWR('g', 2, struct gup_test)
#define PIN_LONGTERM_BENCHMARK _IOWR('g', 3, struct gup_test)
struct gup_test gup = *(struct gup_test *)data;
struct gup_test gup = { 0 };
struct gup_test gup = {