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Hi guys, I’m trying to figure out how to generate this arg line: “-object memory-backend-file,id=ram,mem-path=/var/lib/libvirt/qemu/,share=yes,size=14336 -numa node, memdev=ram” without numa. I see there are two functions which are capable of building backends: “qemuBuildNumaArgStr” and “qemuBuildMemoryDeviceCommandLine” The “qemuBuildNumaArgStr” I’m already using for creating backend+object when numa is enabled. But I’m not sure how to “activate” code inside “qemuBuildMemoryDeviceCommandLine” when numa is disabled. I found there must be (in xml) record “devices/memory” to create record def->mems. But I do not know if I should add this element into xml or I should allocate this structure by myself. Or create duplicated function, and create arg string with “-object …” inside on my own. This all is needed for new feature and new xml elements: (hugepages will not be used) <memoryBacking>
<source type='file' path='/path/to/qemu'/>
<access mode='shared'/>
<allocation mode='immediate'/>
</memoryBacking> Many thanks for any tips or help
J Best regards Jarek PS: I’m quite new in the libvirt code/community -------------------------------------------------------------- This e-mail and any attachments may contain confidential material for the sole use of the intended recipient(s). Any review or distribution by others is strictly prohibited. If you are not the intended recipient, please contact the sender and delete all copies. |
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