# Re: \[PATCH v1 2/6\] mm/memory\_hotplug: remove CONFIG\_MEMORY\_HOTPLUG\_SPARSE

- From: Shuah Khan \<skhan@linuxfoundation.org\>
- Date: 2021-10-05 14:23:00 
- List: linuxppc-dev
- Page: https://ratatoskr.run/linuxppc-dev/2021/10/1531676
- Thread: https://ratatoskr.run/linux-mm/2021/09/1525877/t.md

```text
On 9/29/21 8:35 AM, David Hildenbrand wrote:
> CONFIG_MEMORY_HOTPLUG depends on CONFIG_SPARSEMEM, so there is no need for
> CONFIG_MEMORY_HOTPLUG_SPARSE anymore; adjust all instances to use
> CONFIG_MEMORY_HOTPLUG and remove CONFIG_MEMORY_HOTPLUG_SPARSE.
>
> Signed-off-by: David Hildenbrand <redacted>
> ---
>   arch/powerpc/include/asm/machdep.h            |  2 +-
>   arch/powerpc/kernel/setup_64.c                |  2 +-
>   arch/powerpc/platforms/powernv/setup.c        |  4 ++--
>   arch/powerpc/platforms/pseries/setup.c        |  2 +-
>   drivers/base/Makefile                         |  2 +-
>   drivers/base/node.c                           |  9 ++++-----
>   drivers/virtio/Kconfig                        |  2 +-
>   include/linux/memory.h                        | 18 +++++++-----------
>   include/linux/node.h                          |  4 ++--
>   lib/Kconfig.debug                             |  2 +-
>   mm/Kconfig                                    |  4 ----
>   mm/memory_hotplug.c                           |  2 --
>   tools/testing/selftests/memory-hotplug/config |  1 -
>   13 files changed, 21 insertions(+), 33 deletions(-)
>

>   {
> diff --git a/tools/testing/selftests/memory-hotplug/config b/tools/testing/selftests/memory-hotplug/config
> index a7e8cd5bb265..1eef042a31e1 100644
> --- a/tools/testing/selftests/memory-hotplug/config
> +++ b/tools/testing/selftests/memory-hotplug/config
> @@ -1,5 +1,4 @@
>   CONFIG_MEMORY_HOTPLUG=y
> -CONFIG_MEMORY_HOTPLUG_SPARSE=y
>   CONFIG_NOTIFIER_ERROR_INJECTION=y
>   CONFIG_MEMORY_NOTIFIER_ERROR_INJECT=m
>   CONFIG_MEMORY_HOTREMOVE=y
>

For Kselftest change:

Acked-by: Shuah Khan <skhan@linuxfoundation.org>

thanks,
-- Shuah
```