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| author | Xiao Guangrong <xiaoguangrong@linux.vnet.ibm.com> | 2012-07-26 11:58:59 +0800 |
|---|---|---|
| committer | Avi Kivity <avi@redhat.com> | 2012-07-26 11:55:34 +0300 |
| commit | a2766325cf9f9e36d1225145f1ce1b066f001837 (patch) | |
| tree | a00cefe5c199c7e4845294f38475c3abd90e9419 /virt/kvm/async_pf.c | |
| parent | 2b4b5af8f8e7296bc27c52023ab6bb8f53db3a2b (diff) | |
| download | op-kernel-dev-a2766325cf9f9e36d1225145f1ce1b066f001837.zip op-kernel-dev-a2766325cf9f9e36d1225145f1ce1b066f001837.tar.gz | |
KVM: remove dummy pages
Currently, kvm allocates some pages and use them as error indicators,
it wastes memory and is not good for scalability
Base on Avi's suggestion, we use the error codes instead of these pages
to indicate the error conditions
Signed-off-by: Xiao Guangrong <xiaoguangrong@linux.vnet.ibm.com>
Signed-off-by: Avi Kivity <avi@redhat.com>
Diffstat (limited to 'virt/kvm/async_pf.c')
| -rw-r--r-- | virt/kvm/async_pf.c | 3 |
1 files changed, 1 insertions, 2 deletions
diff --git a/virt/kvm/async_pf.c b/virt/kvm/async_pf.c index ebae24b..7972278 100644 --- a/virt/kvm/async_pf.c +++ b/virt/kvm/async_pf.c @@ -203,8 +203,7 @@ int kvm_async_pf_wakeup_all(struct kvm_vcpu *vcpu) if (!work) return -ENOMEM; - work->page = bad_page; - get_page(bad_page); + work->page = get_bad_page(); INIT_LIST_HEAD(&work->queue); /* for list_del to work */ spin_lock(&vcpu->async_pf.lock); |
