All symbols starting with 'd' in vm

• devpager vm/device_pager.h:48
• dev_pager_alloc vm/device_pager.c:82
• dev_pager_dealloc vm/device_pager.c:200
• dev_pager_getpage vm/device_pager.c:226
• dev_pager_haspage vm/device_pager.c:253
• dev_pager_init vm/device_pager.c:72
• dev_pager_putpage vm/device_pager.c:238
• dev_pager_t vm/device_pager.h:56