KVM: MMU: track the refcount when unmap the page

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It will trigger a WARN_ON if the page has been freed but it is still
used in mmu, it can help us to detect mm bug early

Signed-off-by: Xiao Guangrong <xiaoguangrong@linux.vnet.ibm.com>
Signed-off-by: Marcelo Tosatti <mtosatti@redhat.com>

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Xiao Guangrong 2012-07-17 21:52:52 +08:00 • committed by Marcelo Tosatti

parent 9d3c92af47

commit 86fde74cf5

1 changed files with 8 additions and 0 deletions

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arch/x86/kvm/mmu.c

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