[Date Prev][Date Next][Thread Prev][Thread Next][Date Index][Thread Index] Re: [Xen-devel] domU unable to release memory to dom0
Sandesh <sandesh.ahiremath@xxxxxxxxx> writes: > i want to know when exactly does the memory get released back to dom0 > when domU is shutdown are destroyed. Actually i was just playing with > the code, and it so happened that now when i shutdown/destroy my domU > memory is not getting released back to dom0. The bad part is that even > after undoing all the changes the problem persists.. >From what I understand, when a XenU exits, it frees the memory back to the xen free pool, but does not automatically baloon that ram back to the Dom0. look at 'xm info' - is the ram from the DomU being sent back to the free_memory pool? if so, and you want the ram back in the Dom0, just 'xm mem-set 0 [megabytes]' Personally, I have had some problems with balooning the Dom0 up and down, so I set dom0_mem on the kernel command line and dom0-min-mem in xend-config.sxp to the same value. I don't ever do anything in the Dom0 anyhow, so there is no reason to keep free ram in the Dom0 rather than the free pool. _______________________________________________ Xen-devel mailing list Xen-devel@xxxxxxxxxxxxxxxxxxx http://lists.xensource.com/xen-devel
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