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

[KOSAKI Motohiro <kosaki.motohiro@jp.fujitsu.com>]

On Fri, Oct 19, 2012 at 6:03 AM,  <wency@cn.fujitsu.com> wrote:
> From: Wen Congyang <wency@cn.fujitsu.com>
>
> 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@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 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);

I'm happy we removed mysterious acpi_bus_remove().

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