tools/testing/selftests/mm/hugepage-vmemmap.c

55

unsigned long pageflags;

tools/testing/selftests/mm/hugepage-vmemmap.c

61

lseek(fd, pfn * sizeof(pageflags), SEEK_SET);

tools/testing/selftests/mm/hugepage-vmemmap.c

63

read(fd, &pageflags, sizeof(pageflags));

tools/testing/selftests/mm/hugepage-vmemmap.c

64

if ((pageflags & HEAD_PAGE_FLAGS) != HEAD_PAGE_FLAGS) {

tools/testing/selftests/mm/hugepage-vmemmap.c

66

printf("Head page flags (%lx) is invalid\n", pageflags);

tools/testing/selftests/mm/hugepage-vmemmap.c

76

read(fd, &pageflags, sizeof(pageflags));

tools/testing/selftests/mm/hugepage-vmemmap.c

77

if ((pageflags & TAIL_PAGE_FLAGS) != TAIL_PAGE_FLAGS ||

tools/testing/selftests/mm/hugepage-vmemmap.c

78

(pageflags & HEAD_PAGE_FLAGS) == HEAD_PAGE_FLAGS) {

tools/testing/selftests/mm/hugepage-vmemmap.c

80

printf("Tail page flags (%lx) is invalid\n", pageflags);