KVM: s390: code cleanup to use common vcpu slab cache

cleanup of arch specific code to use common code provided vcpu slab cache
instead of kzalloc() provided memory

Signed-off-by: Michael Mueller <mimu@linux.vnet.ibm.com>
Signed-off-by: Christian Borntraeger <borntraeger@de.ibm.com>
Signed-off-by: Cornelia Huck <cornelia.huck@de.ibm.com>
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>

diff --git a/arch/s390/kvm/kvm-s390.c b/arch/s390/kvm/kvm-s390.c
index 426e259..a318365 100644 (file)
--- a/arch/s390/kvm/kvm-s390.c
+++ b/arch/s390/kvm/kvm-s390.c
@@ -278,7 +278,7 @@ void kvm_arch_vcpu_destroy(struct kvm_vcpu *vcpu)
 
        free_page((unsigned long)(vcpu->arch.sie_block));
        kvm_vcpu_uninit(vcpu);
-       kfree(vcpu);
+       kmem_cache_free(kvm_vcpu_cache, vcpu);
 }
 
 static void kvm_free_vcpus(struct kvm *kvm)
@@ -408,7 +408,7 @@ struct kvm_vcpu *kvm_arch_vcpu_create(struct kvm *kvm,
 
        rc = -ENOMEM;
 
-       vcpu = kzalloc(sizeof(struct kvm_vcpu), GFP_KERNEL);
+       vcpu = kmem_cache_zalloc(kvm_vcpu_cache, GFP_KERNEL);
        if (!vcpu)
                goto out;
 
@@ -453,7 +453,7 @@ struct kvm_vcpu *kvm_arch_vcpu_create(struct kvm *kvm,
 out_free_sie_block:
        free_page((unsigned long)(vcpu->arch.sie_block));
 out_free_cpu:
-       kfree(vcpu);
+       kmem_cache_free(kvm_vcpu_cache, vcpu);
 out:
        return ERR_PTR(rc);
 }