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



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