# \[RFC PATCH V6 07/19\] memory-hotplug: call acpi\_bus\_remove() to remove memory device

- From: \<hidden\>
- Date: 2012-08-03 07:45:15 
- List: linuxppc-dev
- Page: https://ratatoskr.run/linuxppc-dev/2012/08/3902511
- Thread: https://ratatoskr.run/linux-mm/2012/08/3902506/t.md

```text
From: Wen Congyang <redacted>

The memory device has been ejected and powoffed, so we can call
acpi_bus_remove() to remove the memory device from acpi bus.

CC: David Rientjes <rientjes@google.com>
CC: Jiang Liu <redacted>
CC: Len Brown <redacted>
CC: Benjamin Herrenschmidt <benh@kernel.crashing.org>
CC: Paul Mackerras <redacted>
CC: Christoph Lameter <redacted>
Cc: Minchan Kim <redacted>
CC: Andrew Morton <akpm@linux-foundation.org>
CC: KOSAKI Motohiro <redacted>
CC: Yasuaki Ishimatsu <redacted>
Signed-off-by: Wen Congyang <redacted>
---
 drivers/acpi/acpi_memhotplug.c |    3 ++-
 1 files changed, 2 insertions(+), 1 deletions(-)

diff --git a/drivers/acpi/acpi_memhotplug.c b/drivers/acpi/acpi_memhotplug.c
index ed37fc2..755cc31 100644
--- a/drivers/acpi/acpi_memhotplug.c
+++ b/drivers/acpi/acpi_memhotplug.c
@@ -423,8 +423,9 @@ static void acpi_memory_device_notify(acpi_handle handle, u32 event, void *data)
 		}
 
 		/*
-		 * TBD: Invoke acpi_bus_remove to cleanup data structures
+		 * Invoke acpi_bus_remove() to remove memory device
 		 */
+		acpi_bus_remove(device, 1);
 
 		/* _EJ0 succeeded; _OST is not necessary */
 		return;
-- 
1.7.1
```