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KVM: MMU: Simplify kvm_mmu_free_page() a tiny bit

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Signed-off-by: Avi Kivity <avi@qumranet.com>
This commit is contained in:
Avi Kivity
2007-05-06 15:36:30 +03:00
parent 2dc7094b56
commit 4b02d6daa1
1 changed files with 4 additions and 6 deletions
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10
drivers/kvm/mmu.c
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@@ -455,12 +455,10 @@ static int is_empty_shadow_page(hpa_t page_hpa)
} }
#endif #endif
static void kvm_mmu_free_page(struct kvm_vcpu *vcpu, hpa_t page_hpa) static void kvm_mmu_free_page(struct kvm_vcpu *vcpu,
struct kvm_mmu_page *page_head)
{ {
struct kvm_mmu_page *page_head = page_header(page_hpa); ASSERT(is_empty_shadow_page(page_head->page_hpa));
ASSERT(is_empty_shadow_page(page_hpa));
page_head->page_hpa = page_hpa;
list_move(&page_head->link, &vcpu->free_pages); list_move(&page_head->link, &vcpu->free_pages);
++vcpu->kvm->n_free_mmu_pages; ++vcpu->kvm->n_free_mmu_pages;
} }
@@ -690,7 +688,7 @@ static void kvm_mmu_zap_page(struct kvm_vcpu *vcpu,
kvm_mmu_page_unlink_children(vcpu, page); kvm_mmu_page_unlink_children(vcpu, page);
if (!page->root_count) { if (!page->root_count) {
hlist_del(&page->hash_link); hlist_del(&page->hash_link);
kvm_mmu_free_page(vcpu, page->page_hpa); kvm_mmu_free_page(vcpu, page);
} else } else
list_move(&page->link, &vcpu->kvm->active_mmu_pages); list_move(&page->link, &vcpu->kvm->active_mmu_pages);
} }