Reza Arbab <ar...@linux.vnet.ibm.com> writes:

> Onlining memory into ZONE_MOVABLE requires CONFIG_MOVABLE_NODE. Enable
> the use of this config option on PPC64 platforms.
>
> Signed-off-by: Reza Arbab <ar...@linux.vnet.ibm.com>
> ---
>  Documentation/kernel-parameters.txt | 2 +-
>  mm/Kconfig                          | 2 +-
>  2 files changed, 2 insertions(+), 2 deletions(-)
>
> diff --git a/Documentation/kernel-parameters.txt 
> b/Documentation/kernel-parameters.txt
> index a4f4d69..3d8460d 100644
> --- a/Documentation/kernel-parameters.txt
> +++ b/Documentation/kernel-parameters.txt
> @@ -2344,7 +2344,7 @@ bytes respectively. Such letter suffixes can also be 
> entirely omitted.
>                       that the amount of memory usable for all allocations
>                       is not too small.
>  
> -     movable_node    [KNL,X86] Boot-time switch to enable the effects
> +     movable_node    [KNL,X86,PPC] Boot-time switch to enable the effects
>                       of CONFIG_MOVABLE_NODE=y. See mm/Kconfig for details.
>  

Movable node also does.
        memblock_set_bottom_up(true);
What is the impact of that. Do we need changes equivalent to that ? Also
where are we marking the nodes which can be hotplugged, ie where do we
do memblock_mark_hotplug() ?
       
>       MTD_Partition=  [MTD]
> diff --git a/mm/Kconfig b/mm/Kconfig
> index be0ee11..4b19cd3 100644
> --- a/mm/Kconfig
> +++ b/mm/Kconfig
> @@ -153,7 +153,7 @@ config MOVABLE_NODE
>       bool "Enable to assign a node which has only movable memory"
>       depends on HAVE_MEMBLOCK
>       depends on NO_BOOTMEM
> -     depends on X86_64
> +     depends on X86_64 || PPC64
>       depends on NUMA
>       default n
>       help

-aneesh

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