...rom user-space by either an UFFDIO_COPY or an UFFDIO_ZEROPAGE ioctl. UFFDIO_REGISTER_MODE_MINOR (since Linux 5.13) When registered with UFFDIO_REGISTER_MODE_MINOR mode, user-spa…...his page more or less describes the situation as of kernel version 1.1.94; there are many minor and not-so-minor differences with earlier versions.) Very often, ioctls are intro…...ields contain the ID of the device */ __u32 stx_rdev_major; /* Major ID */ __u32 stx_rdev_minor; /* Minor ID */ /* The next two fields contain the ID of the device containing th…...T is set, then the fmr_device field represents a dev_t structure containing the major and minor numbers of the block device. The fmh_count field contains the number of elements …...type S_IFREG .) If the file type is S_IFCHR or S_IFBLK , then dev specifies the major and minor numbers of the newly created device special file ( makedev (3) may be useful to b…...type S_IFREG .) If the file type is S_IFCHR or S_IFBLK , then dev specifies the major and minor numbers of the newly created device special file ( makedev (3) may be useful to b…...t"); exit(EXIT_FAILURE); } printf("ID of containing device: [%x,%x]\n", major(sb.st_dev), minor(sb.st_dev)); printf("File type: "); switch (sb.st_mode & S_IFMT) { case S_IFBLK: …...t"); exit(EXIT_FAILURE); } printf("ID of containing device: [%x,%x]\n", major(sb.st_dev), minor(sb.st_dev)); printf("File type: "); switch (sb.st_mode & S_IFMT) { case S_IFBLK: …...t"); exit(EXIT_FAILURE); } printf("ID of containing device: [%x,%x]\n", major(sb.st_dev), minor(sb.st_dev)); printf("File type: "); switch (sb.st_mode & S_IFMT) { case S_IFBLK: …...t"); exit(EXIT_FAILURE); } printf("ID of containing device: [%x,%x]\n", major(sb.st_dev), minor(sb.st_dev)); printf("File type: "); switch (sb.st_mode & S_IFMT) { case S_IFBLK: …...t"); exit(EXIT_FAILURE); } printf("ID of containing device: [%x,%x]\n", major(sb.st_dev), minor(sb.st_dev)); printf("File type: "); switch (sb.st_mode & S_IFMT) { case S_IFBLK: …...t"); exit(EXIT_FAILURE); } printf("ID of containing device: [%x,%x]\n", major(sb.st_dev), minor(sb.st_dev)); printf("File type: "); switch (sb.st_mode & S_IFMT) { case S_IFBLK: …...t"); exit(EXIT_FAILURE); } printf("ID of containing device: [%x,%x]\n", major(sb.st_dev), minor(sb.st_dev)); printf("File type: "); switch (sb.st_mode & S_IFMT) { case S_IFBLK: …...t"); exit(EXIT_FAILURE); } printf("ID of containing device: [%x,%x]\n", major(sb.st_dev), minor(sb.st_dev)); printf("File type: "); switch (sb.st_mode & S_IFMT) { case S_IFBLK: …...t"); exit(EXIT_FAILURE); } printf("ID of containing device: [%x,%x]\n", major(sb.st_dev), minor(sb.st_dev)); printf("File type: "); switch (sb.st_mode & S_IFMT) { case S_IFBLK: …...t"); exit(EXIT_FAILURE); } printf("ID of containing device: [%x,%x]\n", major(sb.st_dev), minor(sb.st_dev)); printf("File type: "); switch (sb.st_mode & S_IFMT) { case S_IFBLK: …...t"); exit(EXIT_FAILURE); } printf("ID of containing device: [%x,%x]\n", major(sb.st_dev), minor(sb.st_dev)); printf("File type: "); switch (sb.st_mode & S_IFMT) { case S_IFBLK: …...t"); exit(EXIT_FAILURE); } printf("ID of containing device: [%x,%x]\n", major(sb.st_dev), minor(sb.st_dev)); printf("File type: "); switch (sb.st_mode & S_IFMT) { case S_IFBLK: …...rocess has migrated to a new CPU. PERF_COUNT_SW_PAGE_FAULTS_MIN This counts the number of minor page faults. These did not require disk I/O to handle. PERF_COUNT_SW_PAGE_FAULTS_…...le descriptor is closed. Since Linux 3.12, this happens at least for NFSv4 (including all minor versions). Some versions of UNIX send a signal ( SIGLOST ) in this circumstance. …