Re: [PATCH 5/6] treewide: use kv[mz]alloc* rather than opencoded variants

[Christian Borntraeger]

On 01/12/2017 04:37 PM, Michal Hocko wrote:
> diff --git a/arch/s390/kvm/kvm-s390.c b/arch/s390/kvm/kvm-s390.c
> index 4f74511015b8..e6bbb33d2956 100644
> --- a/arch/s390/kvm/kvm-s390.c
> +++ b/arch/s390/kvm/kvm-s390.c
> @@ -1126,10 +1126,7 @@ static long kvm_s390_get_skeys(struct kvm *kvm, struct kvm_s390_skeys *args)
>  	if (args->count < 1 || args->count > KVM_S390_SKEYS_MAX)
>  		return -EINVAL;
> 
> -	keys = kmalloc_array(args->count, sizeof(uint8_t),
> -			     GFP_KERNEL | __GFP_NOWARN);
> -	if (!keys)
> -		keys = vmalloc(sizeof(uint8_t) * args->count);
> +	keys = kvmalloc(args->count * sizeof(uint8_t), GFP_KERNEL);
>  	if (!keys)
>  		return -ENOMEM;
> 
> @@ -1171,10 +1168,7 @@ static long kvm_s390_set_skeys(struct kvm *kvm, struct kvm_s390_skeys *args)
>  	if (args->count < 1 || args->count > KVM_S390_SKEYS_MAX)
>  		return -EINVAL;
> 
> -	keys = kmalloc_array(args->count, sizeof(uint8_t),
> -			     GFP_KERNEL | __GFP_NOWARN);
> -	if (!keys)
> -		keys = vmalloc(sizeof(uint8_t) * args->count);
> +	keys = kvmalloc(sizeof(uint8_t) * args->count, GFP_KERNEL);
>  	if (!keys)
>  		return -ENOMEM;

KVM/s390 parts

Acked-by: Christian Borntraeger <borntraeger@xxxxxxxxxx>