So will it be correct to say that memory hotplug to memory-less node isn't supported by PowerPC kernel ? Should I enforce the same in QEMU for PowerKVM ?
On Mon, Jun 22, 2015 at 10:18 AM, Bharata B Rao <bharata....@gmail.com> wrote: > Hi, > > While developing memory hotplug support in QEMU for PoweKVM, I > realized that guest kernel has specific checks to prevent hot addition > of memory to a memory-less node. > > I am referring to arch/powerpc/mm/numa.c:hot_add_scn_to_nid() which > has explicit checks to ensure that it returns a nid that has some some > memory (NODE_DATA(nid)->node_spanned_pages) even when user wants to > hotplug to a node that currently has zero memory. > > Is this limitation by design ? > > Regards, > Bharata. > -- > http://raobharata.wordpress.com/ -- http://raobharata.wordpress.com/ _______________________________________________ Linuxppc-dev mailing list Linuxppc-dev@lists.ozlabs.org https://lists.ozlabs.org/listinfo/linuxppc-dev
