Re: [PATCH v7 04/11] KVM: MMU: zap pages in batch

[Marcelo Tosatti]

On Thu, May 23, 2013 at 03:55:53AM +0800, Xiao Guangrong wrote:
> Zap at lease 10 pages before releasing mmu-lock to reduce the overload
> caused by requiring lock
> 
> After the patch, kvm_zap_obsolete_pages can forward progress anyway,
> so update the comments
> 
> [ It improves kernel building 0.6% ~ 1% ]

Can you please describe the overload in more detail? Under what scenario
is kernel building improved?

--
To unsubscribe from this list: send the line "unsubscribe linux-kernel" in
the body of a message to majordomo@xxxxxxxxxxxxxxx
More majordomo info at  http://vger.kernel.org/majordomo-info.html
Please read the FAQ at  http://www.tux.org/lkml/