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    Subject[RFC V7 PATCH 07/19] memory-hotplug: call acpi_bus_remove() to remove memory device
    Date
    From: Wen Congyang <wency@cn.fujitsu.com>

    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 <liuj97@gmail.com>
    CC: Len Brown <len.brown@intel.com>
    CC: Benjamin Herrenschmidt <benh@kernel.crashing.org>
    CC: Paul Mackerras <paulus@samba.org>
    CC: Christoph Lameter <cl@linux.com>
    Cc: Minchan Kim <minchan.kim@gmail.com>
    CC: Andrew Morton <akpm@linux-foundation.org>
    CC: KOSAKI Motohiro <kosaki.motohiro@jp.fujitsu.com>
    CC: Yasuaki Ishimatsu <isimatu.yasuaki@jp.fujitsu.com>
    Signed-off-by: Wen Congyang <wency@cn.fujitsu.com>
    ---
    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 9d47458..b152767 100644
    --- a/drivers/acpi/acpi_memhotplug.c
    +++ b/drivers/acpi/acpi_memhotplug.c
    @@ -425,8 +425,9 @@ 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


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