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    SubjectRe: [PATCH 4/8] KVM: MMU: drop unsync_child_bitmap
    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

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      Last update: 2011-12-18 10:03    [W:0.033 / U:9.740 seconds]
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