Re: [RFC PATCH 2/3] lib/list_batch, x86: Enable list insertion/deletion batching in x86-64

[Andi Kleen]

Waiman Long <Waiman.Long@xxxxxxx> writes:
>
> diff --git a/arch/x86/Kconfig b/arch/x86/Kconfig
> index 330e738..443e41d 100644
> --- a/arch/x86/Kconfig
> +++ b/arch/x86/Kconfig
> @@ -42,6 +42,7 @@ config X86
>  	select ARCH_SUPPORTS_NUMA_BALANCING	if X86_64
>  	select ARCH_USE_BUILTIN_BSWAP
>  	select ARCH_USE_CMPXCHG_LOCKREF		if X86_64
> +	select ARCH_USE_LIST_BATCHING		if X86_64

I would make it unconditional. The code is simple enough
and shouldn't have drawbacks on smaller systems.

-Andi