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| author | Avi Kivity <avi@redhat.com> | 2010-07-22 23:24:52 +0300 |
|---|---|---|
| committer | Avi Kivity <avi@redhat.com> | 2010-07-23 09:07:14 +0300 |
| commit | 7a73c0283dadf1cf360a79de396ff0962e781b60 (patch) | |
| tree | da5f0254f136fc3f231ee4afc236fd5fb284a4f7 | |
| parent | 6aa0b9dec5d6dde26ea17b0b5be8fccfe19df3c9 (diff) | |
| download | linux-3.10-7a73c0283dadf1cf360a79de396ff0962e781b60.tar.gz linux-3.10-7a73c0283dadf1cf360a79de396ff0962e781b60.tar.bz2 linux-3.10-7a73c0283dadf1cf360a79de396ff0962e781b60.zip | |
KVM: Use kmalloc() instead of vmalloc() for KVM_[GS]ET_MSR
We don't need more than a page, and vmalloc() is slower (much
slower recently due to a regression).
Signed-off-by: Avi Kivity <avi@redhat.com>
| -rw-r--r-- | arch/x86/kvm/x86.c | 4 |
1 files changed, 2 insertions, 2 deletions
diff --git a/arch/x86/kvm/x86.c b/arch/x86/kvm/x86.c index 05d571f6f19..7fa89c39c64 100644 --- a/arch/x86/kvm/x86.c +++ b/arch/x86/kvm/x86.c @@ -1562,7 +1562,7 @@ static int msr_io(struct kvm_vcpu *vcpu, struct kvm_msrs __user *user_msrs, r = -ENOMEM; size = sizeof(struct kvm_msr_entry) * msrs.nmsrs; - entries = vmalloc(size); + entries = kmalloc(size, GFP_KERNEL); if (!entries) goto out; @@ -1581,7 +1581,7 @@ static int msr_io(struct kvm_vcpu *vcpu, struct kvm_msrs __user *user_msrs, r = n; out_free: - vfree(entries); + kfree(entries); out: return r; } |