powerpc/pseries: Implement indexed-count hotplug memory remove
Indexed-count remove for memory hotplug guarantees that a contiguous block of <count> lmbs beginning at a specified <index> will be unassigned (NOT that <count> lmbs will be removed). Because of Qemu's per-DIMM memory management, the removal of a contiguous block of memory currently requires a series of individual calls. Indexed-count remove reduces this series into a single call. Signed-off-by: Sahil Mehta <sahilmehta17@gmail.com> Signed-off-by: Nathan Fontenot <nfont@linux.vnet.ibm.com> Signed-off-by: Michael Ellerman <mpe@ellerman.id.au>
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