On 01/09/2012 07:30 PM, Marcelo Tosatti wrote: > On Fri, Dec 16, 2011 at 06:14:24PM +0800, Xiao Guangrong wrote: >> Upper page do not need to be tracked the status bit, it is safe to set the >> dirty and let cpu to happily prefetch it >> >> Signed-off-by: Xiao Guangrong <xiaoguangr...@linux.vnet.ibm.com> >> --- >> arch/x86/kvm/mmu.c | 13 +++++-------- >> 1 files changed, 5 insertions(+), 8 deletions(-) > > Dirty bit is ignored in non-leaf pagetable entries. >
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