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authorGravatar David S. Miller <davem@davemloft.net> 2012-07-19 11:17:30 -0700
committerGravatar David S. Miller <davem@davemloft.net> 2012-07-19 11:17:30 -0700
commitabaa72d7fd9a20a67b62e6afa0e746e27851dc33 (patch)
treeebe4134fcc93a6e205e6004b3e652d7a62281651 /arch/x86/kvm/mmu.c
parentnet-tcp: Fast Open client - cookie-less mode (diff)
parentMerge tag 'md-3.5-fixes' of git://neil.brown.name/md (diff)
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Merge git://git.kernel.org/pub/scm/linux/kernel/git/davem/net
Conflicts: drivers/net/ethernet/intel/ixgbevf/ixgbevf_main.c
Diffstat (limited to 'arch/x86/kvm/mmu.c')
-rw-r--r--arch/x86/kvm/mmu.c3
1 files changed, 3 insertions, 0 deletions
diff --git a/arch/x86/kvm/mmu.c b/arch/x86/kvm/mmu.c
index be3cea4407ff..57e168e27b5b 100644
--- a/arch/x86/kvm/mmu.c
+++ b/arch/x86/kvm/mmu.c
@@ -3934,6 +3934,9 @@ static void kvm_mmu_remove_some_alloc_mmu_pages(struct kvm *kvm,
{
struct kvm_mmu_page *page;
+ if (list_empty(&kvm->arch.active_mmu_pages))
+ return;
+
page = container_of(kvm->arch.active_mmu_pages.prev,
struct kvm_mmu_page, link);
kvm_mmu_prepare_zap_page(kvm, page, invalid_list);