diff options
| author | Hollis Blanchard <hollisb@us.ibm.com> | 2008-11-24 17:37:38 (GMT) |
|---|---|---|
| committer | Avi Kivity <avi@redhat.com> | 2008-11-25 10:02:48 (GMT) |
| commit | c30f8a6c6d74f67bc2107726cc61a1e7c71e9740 (patch) | |
| tree | cc593db75efd62f917e949df78f4fabdcddc6938 /arch/powerpc/include | |
| parent | 0c0f40bdbe4ddb48ebecfb5c2b56eeb175a57c45 (diff) | |
| download | linux-c30f8a6c6d74f67bc2107726cc61a1e7c71e9740.tar.xz | |
KVM: ppc: stop leaking host memory on VM exit
When the VM exits, we must call put_page() for every page referenced in the
shadow TLB.
Without this patch, we usually leak 30-50 host pages (120 - 200 KiB with 4 KiB
pages). The maximum number of pages leaked is the size of our shadow TLB, 64
pages.
Signed-off-by: Hollis Blanchard <hollisb@us.ibm.com>
Signed-off-by: Avi Kivity <avi@redhat.com>
Diffstat (limited to 'arch/powerpc/include')
| -rw-r--r-- | arch/powerpc/include/asm/kvm_ppc.h | 2 |
1 files changed, 2 insertions, 0 deletions
diff --git a/arch/powerpc/include/asm/kvm_ppc.h b/arch/powerpc/include/asm/kvm_ppc.h index 8931ba7..bb62ad8 100644 --- a/arch/powerpc/include/asm/kvm_ppc.h +++ b/arch/powerpc/include/asm/kvm_ppc.h @@ -104,4 +104,6 @@ static inline void kvmppc_set_pid(struct kvm_vcpu *vcpu, u32 new_pid) } } +extern void kvmppc_core_destroy_mmu(struct kvm_vcpu *vcpu); + #endif /* __POWERPC_KVM_PPC_H__ */ |