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authorAvi Kivity <avi@redhat.com>2010-07-22 23:24:52 +0300
committerAvi Kivity <avi@redhat.com>2010-07-23 09:07:14 +0300
commit7a73c0283dadf1cf360a79de396ff0962e781b60 (patch)
treeda5f0254f136fc3f231ee4afc236fd5fb284a4f7 /arch
parent6aa0b9dec5d6dde26ea17b0b5be8fccfe19df3c9 (diff)
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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>
Diffstat (limited to 'arch')
-rw-r--r--arch/x86/kvm/x86.c4
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;
}