commit 7a73c0283dadf1cf360a79de396ff0962e781b60
author Avi Kivity <avi@redhat.com> Thu Jul 22 23:24:52 2010 +0300
committer Avi Kivity <avi@redhat.com> Fri Jul 23 09:07:14 2010 +0300
tree da5f0254f136fc3f231ee4afc236fd5fb284a4f7
parent 6aa0b9dec5d6dde26ea17b0b5be8fccfe19df3c9

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>

arch/x86/kvm/x86.c

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;
 }