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[PATCH] KVM: MMU: Free pages on kvm destruction

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Because mmu pages have attached rmap and parent pte chain structures, we need
to zap them before freeing so the attached structures are freed.

Signed-off-by: Avi Kivity <[email protected]>
Acked-by: Ingo Molnar <[email protected]>
Signed-off-by: Andrew Morton <[email protected]>
Signed-off-by: Linus Torvalds <[email protected]>
This commit is contained in:
Avi Kivity 2007-01-05 16:36:52 -08:00 • committed by Linus Torvalds
commit f51234c2cd
1 changed files with 7 additions and 2 deletions
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9
drivers/kvm/mmu.c
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@ -1065,9 +1065,14 @@ EXPORT_SYMBOL_GPL(kvm_mmu_free_some_pages);
static void free_mmu_pages(struct kvm_vcpu *vcpu)
{
while (!list_empty(&vcpu->free_pages)) {
struct kvm_mmu_page *page;
struct kvm_mmu_page *page;
while (!list_empty(&vcpu->kvm->active_mmu_pages)) {
page = container_of(vcpu->kvm->active_mmu_pages.next,
struct kvm_mmu_page, link);
kvm_mmu_zap_page(vcpu, page);
}
while (!list_empty(&vcpu->free_pages)) {
page = list_entry(vcpu->free_pages.next,
struct kvm_mmu_page, link);
list_del(&page->link);