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KVM: MMU: fix bogus alloc_mmu_pages assignment 

Remove the bogus n_free_mmu_pages assignment from alloc_mmu_pages.

It breaks accounting of mmu pages, since n_free_mmu_pages is modified
but the real number of pages remains the same.

Cc: stable@kernel.org
Signed-off-by: Marcelo Tosatti <mtosatti@redhat.com>
Signed-off-by: Avi Kivity <avi@redhat.com>
This commit is contained in:
Marcelo Tosatti 2009-07-28 15:26:59 -03:00 committed by Avi Kivity
parent 3b80fffe2b
commit b90c062c65
1 changed files with 0 additions and 8 deletions
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8
arch/x86/kvm/mmu.c
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@ -2786,14 +2786,6 @@ static int alloc_mmu_pages(struct kvm_vcpu *vcpu)
ASSERT(vcpu); ASSERT(vcpu);
spin_lock(&vcpu->kvm->mmu_lock);
if (vcpu->kvm->arch.n_requested_mmu_pages)
vcpu->kvm->arch.n_free_mmu_pages =
vcpu->kvm->arch.n_requested_mmu_pages;
else
vcpu->kvm->arch.n_free_mmu_pages =
vcpu->kvm->arch.n_alloc_mmu_pages;
spin_unlock(&vcpu->kvm->mmu_lock);
/* /*
* When emulating 32-bit mode, cr3 is only 32 bits even on x86_64. * When emulating 32-bit mode, cr3 is only 32 bits even on x86_64.
* Therefore we need to allocate shadow page tables in the first * Therefore we need to allocate shadow page tables in the first