Functions starting with `d' in vm

• dev_pager_alloc vm/device_pager.c:95
• dev_pager_dealloc vm/device_pager.c:210
• dev_pager_getpage vm/device_pager.c:236
• dev_pager_init vm/device_pager.c:85
• dev_pager_putpage vm/device_pager.c:249