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[1/3] KVM: MMU: using kvm_release_pfn_clean to release pfn

Message ID 500D5A1E.6000704@linux.vnet.ibm.com (mailing list archive)
State New, archived
Headers show

Commit Message

Xiao Guangrong July 23, 2012, 2:05 p.m. UTC
The current code depends on fault_page is the normal page, but we will
use the error code instead of dummy page in the later patch, so using
kvm_release_pfn_clean to release pfn which will release error code probably

Signed-off-by: Xiao Guangrong <xiaoguangrong@linux.vnet.ibm.com>
---
 arch/x86/kvm/mmu.c |    2 +-
 1 files changed, 1 insertions(+), 1 deletions(-)
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Patch

diff --git a/arch/x86/kvm/mmu.c b/arch/x86/kvm/mmu.c
index 2419934..a9a2052 100644
--- a/arch/x86/kvm/mmu.c
+++ b/arch/x86/kvm/mmu.c
@@ -3275,7 +3275,7 @@  static bool try_async_pf(struct kvm_vcpu *vcpu, bool prefault, gfn_t gfn,
 	if (!async)
 		return false; /* *pfn has correct page already */

-	put_page(pfn_to_page(*pfn));
+	kvm_release_pfn_clean(*pfn);

 	if (!prefault && can_do_async_pf(vcpu)) {
 		trace_kvm_try_async_get_page(gva, gfn);