lk/linux-kernel-test
1
0
Fork 0
Code Issues Pull Requests Releases Wiki Activity

KVM: ppc: stop leaking host memory on VM exit

Browse Source 
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>
This commit is contained in:
Hollis Blanchard
2008-11-24 11:37:38 -06:00
committed by Avi Kivity
parent 0c0f40bdbe
commit c30f8a6c6d
3 changed files with 11 additions and 0 deletions
Download Patch File Download Diff File Expand all files Collapse all files

2
arch/powerpc/include/asm/kvm_ppc.h
View File

@@ -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__ */