[v3] mm: make expand_downwards symmetrical to expand_upwards

Commit Message

David Rientjes April 20, 2011, 9:05 p.m. UTC

On Wed, 20 Apr 2011, KOSAKI Motohiro wrote:

> diff --git a/arch/parisc/Kconfig b/arch/parisc/Kconfig
> index 69ff049..0bf9ae8 100644
> --- a/arch/parisc/Kconfig
> +++ b/arch/parisc/Kconfig
> @@ -229,6 +229,12 @@ config HOTPLUG_CPU
>  	default y if SMP
>  	select HOTPLUG
>  
> +config NUMA
> +	bool "NUMA support"
> +	help
> +	  Say Y to compile the kernel to support NUMA (Non-Uniform Memory
> +	  Access).
> +
>  config ARCH_SELECT_MEMORY_MODEL
>  	def_bool y
>  	depends on 64BIT
> @@ -236,6 +242,7 @@ config ARCH_SELECT_MEMORY_MODEL
>  config ARCH_DISCONTIGMEM_ENABLE
>  	def_bool y
>  	depends on 64BIT
> +	depends on NUMA
>  
>  config ARCH_FLATMEM_ENABLE
>  	def_bool y

I think this should probably be


instead since we don't need CONFIG_NUMA for anything other than 
CONFIG_PA8X00 and 64-bit enabled.
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Patch

diff --git a/arch/parisc/Kconfig b/arch/parisc/Kconfig
--- a/arch/parisc/Kconfig
+++ b/arch/parisc/Kconfig
@@ -244,6 +244,9 @@  config ARCH_DISCONTIGMEM_DEFAULT
 	def_bool y
 	depends on ARCH_DISCONTIGMEM_ENABLE
 
+config NUMA
+	def_bool ARCH_DISCONTIGMEM_ENABLE
+
 config NODES_SHIFT
 	int
 	default "3"