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

[Waiman Long]

On 01/26/2016 04:44 PM, Andi Kleen wrote:
> 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

You are probably right. I will look into that.

Cheers,
Longman