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>
diff --git a/arch/x86/kvm/x86.c b/arch/x86/kvm/x86.c
index 05d571f..7fa89c3 100644
--- a/arch/x86/kvm/x86.c
+++ b/arch/x86/kvm/x86.c
@@ -1562,7 +1562,7 @@
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 @@
r = n;
out_free:
- vfree(entries);
+ kfree(entries);
out:
return r;
}