21-02-2013 дата публикации
Номер: US20130047159A1
Methods, apparatuses, and computer program products for preserving, from resource management adjustment, portions of an overcommitted resource managed by a hypervisor are provided. Embodiments include identifying, by the hypervisor, a privileged guest from among a plurality of guests of the hypervisor; identifying, by the hypervisor, portions of the overcommitted resource that are allocated to the privileged guest; and preventing, by the hypervisor, resource management adjustment to the identified portions of the overcommitted resource that are allocated to the privileged guest. 1. A method of preserving , from resource management adjustment , portions of an overcommitted resource managed by a hypervisor , the method comprising:identifying, by the hypervisor, a privileged guest from among a plurality of guests of the hypervisor;identifying, by the hypervisor, portions of the overcommitted resource that are allocated to the privileged guest; andpreventing, by the hypervisor, resource management adjustment to the identified portions of the overcommitted resource that are allocated to the privileged guest.2. The method of wherein preventing resource management adjustment to the identified portions of the overcommitted resource that are allocated to the privileged guest includes marking as non-swappable claim 1 , by the hypervisor claim 1 , memory pages allocated to the identified privileged guest.3. The method of wherein preventing resource management adjustment to the identified portions of the overcommitted resource that are allocated to the privileged guest includes preventing claim 1 , by the hypervisor claim 1 , issuance of a memory balloon request to the identified privileged guest.4. The method of wherein preventing resource management adjustment to the identified portions of the overcommitted resource that are allocated to the privileged guest includes preventing claim 1 , by the hypervisor claim 1 , migration of the identified privileged guest.5. The method of ...
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