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[Xen-devel] question about p2m_pod_demand_populate

  • To: xen-devel <xen-devel@xxxxxxxxxxxxxxxxxxxx>
  • From: "Zhang, Chunyu" <zhangcy@xxxxxxxxxxxxxx>
  • Date: Fri, 6 May 2016 06:55:14 +0000
  • Accept-language: zh-CN, en-US
  • Delivery-date: Fri, 06 May 2016 06:55:22 +0000
  • List-id: Xen developer discussion <xen-devel.lists.xen.org>
  • Thread-index: AdGnY5PrTUgUwk2hQuyATwUmDuPX9w==
  • Thread-topic: question about p2m_pod_demand_populate

hi all

in p2m_pod_demand_populate
i see:
   - pod_eager_reclaim
   - pod_eager_record

if gfn is pod, will get mfn from pod cache and set entry。
but i did not know why call pod_eager_reclaim、pod_eager_record in 
what the purpose for pod_eager_reclaim 、pod_eager_record ?

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Zhang Chunyu
Nanjing Fujitsu Nanda Software Tech. Co., Ltd.(FNST)
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