add Mel Gorman
On 2016/4/5 16:22, Chen Feng wrote:
> We can reduce the memory allocated at mem-map
> by flatmem.
>
> currently, the default memory-model in arm64 is
> sparse memory. The mem-map array is not freed in
> this scene. If the physical address is too long,
> it will reserved too much memory for the mem-map
> array.
>
> Signed-off-by: Chen Feng <puck.c...@hisilicon.com>
> Signed-off-by: Fu Jun <oliver...@hisilicon.com>
> ---
> arch/arm64/Kconfig | 3 +++
> 1 file changed, 3 insertions(+)
>
> diff --git a/arch/arm64/Kconfig b/arch/arm64/Kconfig
> index 4f43622..c18930d 100644
> --- a/arch/arm64/Kconfig
> +++ b/arch/arm64/Kconfig
> @@ -559,6 +559,9 @@ config ARCH_SPARSEMEM_ENABLE
> def_bool y
> select SPARSEMEM_VMEMMAP_ENABLE
>
> +config ARCH_FLATMEM_ENABLE
> + def_bool y
> +
> config ARCH_SPARSEMEM_DEFAULT
> def_bool ARCH_SPARSEMEM_ENABLE
>
>
