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[Xen-devel] Linux mainstream balloon driver fails to grow memory= -> max
| To: | Jeremy Fitzhardinge <jeremy@xxxxxxxx> |
|---|---|
| Subject: | [Xen-devel] Linux mainstream balloon driver fails to grow memory= -> maxmem= |
| From: | Dan Magenheimer <dan.magenheimer@xxxxxxxxxx> |
| Date: | Mon, 23 Aug 2010 16:49:26 -0700 (PDT) |
| Cc: | xen-devel@xxxxxxxxxxxxxxxxxxx, Vasiliy G Tolstov <v.tolstov@xxxxxxxxx> |
| Delivery-date: | Mon, 23 Aug 2010 16:52:30 -0700 |
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Hi Jeremy -- Vasiliy discovered (and I confirmed) that the mainstream Linux balloon driver won't balloon above the initial memory with which the Linux guest was launched. E.g. a 2.6.34 guest launched with these in vm.cfg: memory=1024 maxmem=1536 displays properly in xentop, but changing target_kb in /sys/devices/system/xen_memory/xen_memory0 doesn't "take" for any value greater than 1024*1024. We tested with 2.6.34 but it even fails in RHEL6 Beta2. Is this a known problem/bug (or maybe a feature)? Thanks, Dan _______________________________________________ Xen-devel mailing list Xen-devel@xxxxxxxxxxxxxxxxxxx http://lists.xensource.com/xen-devel |
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