[PATCH v2 1/3] acpi,memory-hotplug: call acpi_bus_trim() to remove memory device

From: wency
Date: Fri Oct 19 2012 - 05:58:50 EST

From: Wen Congyang <wency@xxxxxxxxxxxxxx>

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

CC: David Rientjes <rientjes@xxxxxxxxxx>
CC: Jiang Liu <liuj97@xxxxxxxxx>
CC: Len Brown <len.brown@xxxxxxxxx>
CC: Benjamin Herrenschmidt <benh@xxxxxxxxxxxxxxxxxxx>
CC: Paul Mackerras <paulus@xxxxxxxxx>
CC: Christoph Lameter <cl@xxxxxxxxx>
Cc: Minchan Kim <minchan.kim@xxxxxxxxx>
CC: Andrew Morton <akpm@xxxxxxxxxxxxxxxxxxxx>
CC: KOSAKI Motohiro <kosaki.motohiro@xxxxxxxxxxxxxx>
CC: Yasuaki Ishimatsu <isimatu.yasuaki@xxxxxxxxxxxxxx>
Signed-off-by: Wen Congyang <wency@xxxxxxxxxxxxxx>
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 24c807f..1e90e8f 100644
--- a/drivers/acpi/acpi_memhotplug.c
+++ b/drivers/acpi/acpi_memhotplug.c
@@ -401,8 +401,9 @@ 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_trim() to remove memory device
+ acpi_bus_trim(device, 1);

/* _EJ0 succeeded; _OST is not necessary */

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