434 	 * closes all open windows from the list. But the window is  in vas_allocate_window()
437 	 * may cause some windows are still open when the hypervisor  in vas_allocate_window()
440 	 * open windows.  in vas_allocate_window()
444 	 * closed windows (means with lost credits), do not give new  in vas_allocate_window()
445 	 * window to user space. New windows will be opened only  in vas_allocate_window()
446 	 * after the existing windows are reopened when credits are  in vas_allocate_window()
644  * VAS windows can be closed due to lost credits when the core is
661 	 * Nothing to do if there are no closed windows.  in reconfig_open_windows()
668 	 * assigned to the LPAR and the kernel closes VAS windows  in reconfig_open_windows()
670 	 * uses LIFO (the last windows that are opened will be closed  in reconfig_open_windows()
673 	 * For example, 40 windows are closed when the LPAR lost 2 cores  in reconfig_open_windows()
675 	 * credits. It means the kernel can reopen 20 windows. So move  in reconfig_open_windows()
676 	 * 20 entries in the VAS windows lost and reopen next 20 windows.  in reconfig_open_windows()
677 	 * For partition migration, reopen all windows that are closed  in reconfig_open_windows()
691 	 * Open windows if they are closed only with migration or  in reconfig_open_windows()
754  * means the excessive windows should not be active and the user space
755  * should not be using these windows to send compression requests to NX.
756  * So the kernel closes the excessive windows and unmap the paste address
759  * existing windows.
799 		 * and close windows.  in reconfig_close_windows()
825 		 * So ignore error and continue closing other windows.  in reconfig_close_windows()
835 		 * So close all active windows in the list and will be  in reconfig_close_windows()
836 		 * reopened windows based on the new lpar_creds on the  in reconfig_close_windows()
873 	 * increased with DLPAR operation. Means some windows have to be  in vas_reconfig_capabilties()
875 	 * user space can not open new windows.  in vas_reconfig_capabilties()
880 		 * target, reopen windows if they are closed due to  in vas_reconfig_capabilties()
887 		 * # active windows is more than new LPAR available  in vas_reconfig_capabilties()
888 		 * credits. So close the excessive windows.  in vas_reconfig_capabilties()
933  * and then update the existing windows usage if needed.
945 	 * based on entitled core capacity. So updating VAS windows will  in pseries_vas_notifier()
969  * For LPM, all windows have to be closed on the source partition
971  * after migration. So closing windows during suspend and
1006 			 * all windows in the list during suspend and reopen  in vas_migration_handler()
1007 			 * windows based on new lpar_creds on the destination  in vas_migration_handler()
1023 			 * implementation. So continue closing all windows in  in vas_migration_handler()
1025 			 * opening windows (during resume) if VAS capabilities  in vas_migration_handler()
1038 			 * Windows are included in the list after successful  in vas_migration_handler()
1040 			 * windows in vas_allocate_window() which will be  in vas_migration_handler()