diff options
| author | Avi Kivity <avi@qumranet.com> | 2007-01-05 16:36:47 -0800 |
|---|---|---|
| committer | Linus Torvalds <torvalds@woody.osdl.org> | 2007-01-05 23:55:25 -0800 |
| commit | cc4529efc7b730b596d9c7d5a917c00a357e92aa (patch) | |
| tree | b62836e2986bc1d7583de50158f1933e9f65784b /drivers/kvm | |
| parent | 697fe2e24ac49f03a82f6cfe5d77f7a2122ff382 (diff) | |
[PATCH] KVM: MMU: kvm_mmu_put_page() only removes one link to the page
... and so must not free it unconditionally.
Move the freeing to kvm_mmu_zap_page().
Signed-off-by: Avi Kivity <avi@qumranet.com>
Acked-by: Ingo Molnar <mingo@elte.hu>
Signed-off-by: Andrew Morton <akpm@osdl.org>
Signed-off-by: Linus Torvalds <torvalds@osdl.org>
Diffstat (limited to 'drivers/kvm')
| -rw-r--r-- | drivers/kvm/mmu.c | 8 |
1 files changed, 4 insertions, 4 deletions
diff --git a/drivers/kvm/mmu.c b/drivers/kvm/mmu.c index 7e20dbf4f84..d788866d5a6 100644 --- a/drivers/kvm/mmu.c +++ b/drivers/kvm/mmu.c @@ -521,10 +521,6 @@ static void kvm_mmu_put_page(struct kvm_vcpu *vcpu, u64 *parent_pte) { mmu_page_remove_parent_pte(page, parent_pte); - kvm_mmu_page_unlink_children(vcpu, page); - hlist_del(&page->hash_link); - list_del(&page->link); - list_add(&page->link, &vcpu->free_pages); } static void kvm_mmu_zap_page(struct kvm_vcpu *vcpu, @@ -546,6 +542,10 @@ static void kvm_mmu_zap_page(struct kvm_vcpu *vcpu, kvm_mmu_put_page(vcpu, page, parent_pte); *parent_pte = 0; } + kvm_mmu_page_unlink_children(vcpu, page); + hlist_del(&page->hash_link); + list_del(&page->link); + list_add(&page->link, &vcpu->free_pages); } static int kvm_mmu_unprotect_page(struct kvm_vcpu *vcpu, gfn_t gfn) |