Messages in this thread | | | Date | Tue, 7 Dec 2010 17:10:23 -0800 | From | Andrew Morton <> | Subject | Re: [PATCH] VMware balloon: stop locking pages when hypervisor tells us enough |
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On Fri, 3 Dec 2010 08:52:26 -0800 Dmitry Torokhov <dtor@vmware.com> wrote:
> When hypervisor decides to decrease target balloon size while the > balloon driver tries to lock pages hypervisor may respond with > VMW_BALLOON_PPN_NOTNEEDED. Use this data and immediately stop reserving > pages and wait for the next update cycle to fetch new target instead > of continuing trying to lock pages until size of refused list grows > above VMW_BALLOON_MAX_REFUSED (16) pages.
OK, but ... why? What is the externally visible effect of this change?
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