On 12/16/2011 12:16 PM, Xiao Guangrong wrote: > unsync_child_bitmap is used to record which spte has unsync page or unsync > children, we can set a free bit in the spte instead of it > unsync_child_bitmap takes one cacheline; the shadow page table takes 64. This will make unsync/resync much more expensive. I suggest to put unsync_child_bitmap at the end (together with unsync_children) and simply not allocate it when unneeded (have two kmem_caches for the two cases). -- error compiling committee.c: too many arguments to function -- To unsubscribe from this list: send the line "unsubscribe kvm" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html