drivers/virtio/virtio_mem.c

49  *   Subblocks within a Linux memory block might either be plugged or unplugged.
70 	/* (Partially) plugged, not added to Linux. Error on add_memory(). */
72 	/* Fully plugged, fully added to Linux, offline. */
74 	/* Partially plugged, fully added to Linux, offline. */
76 	/* Fully plugged, fully added to Linux, onlined to a kernel zone. */
78 	/* Partially plugged, fully added to Linux, online to a kernel zone */
80 	/* Fully plugged, fully added to Linux, onlined to ZONE_MOVABLE. */
82 	/* Partially plugged, fully added to Linux, onlined to ZONE_MOVABLE. */
93 	/* Plugged, not added to Linux. Error on add_memory(). */
95 	/* Plugged and added to Linux. */
175 			 * plugged" are completely unplugged and can be offlined
197 			 * plugged, otherwise it's unblocked.
230 	 * plugged/unplugged.
512  * Mark all selected subblocks plugged.
540  * Test if all selected subblocks are plugged.
1307 	 * size is smaller than that and we have a mixture of plugged and  in virtio_mem_online_page()
1321 				/* Fully plugged. */  in virtio_mem_online_page()
1518  * Plug selected subblocks. Updates the plugged state, but not the state
1536  * Unplug selected subblocks. Updates the plugged state, but not the state
1580  * Unplug the desired number of plugged subblocks of a offline or not-added
1621  * Unplug all plugged subblocks of an offline or not-added memory block.
1677 	 * so that onlining will directly online all plugged subblocks.  in virtio_mem_sbm_plug_and_add_mb()
1715  * Note: Can fail after some subblocks were successfully plugged.
1928  * Unplug the desired number of plugged subblocks of an offline memory block.
1970  * Unplug the given plugged subblocks of an online memory block.
2013  * Unplug the desired number of plugged subblocks of an online memory block.
2066  * Unplug the desired number of plugged subblocks of a memory block that is
2121 	 * We try unplug from partially plugged blocks first, to try removing  in virtio_mem_sbm_unplug_request()
2406 	dev_info(&vm->vdev->dev, "plugged size: 0x%llx", vm->plugged_size);  in virtio_mem_refresh_config()
2481 		 * We cannot free up any memory to unplug it (all plugged memory  in virtio_mem_run_wq()
2627 	 * If we still have memory plugged, we have to unplug all memory first.  in virtio_mem_init_hotplug()
2913 		 * partially plugged offline blocks. Make sure to remove them.  in virtio_mem_deinit_hotplug()
2924 		 * offline partially plugged online memory blocks. No need to  in virtio_mem_deinit_hotplug()
3006 			"suspending with plugged memory is not supported\n");  in virtio_mem_freeze()