virtio-pci queue allocation not page-aligned
kzalloc() does not guarantee page alignment, and in fact this broke when I enabled CONFIG_SLUB_DEBUG_ON. (Thanks to Anthony Liguori for spotting the missing kfree sub) Signed-off-by: NHollis Blanchard <hollisb@us.ibm.com> Signed-off-by: Rusty Russell <rusty@rustcorp.com.au> (fixed kfree) Tested-by: NAnthony Liguori <aliguori@us.ibm.com>
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