From c910662c7c696ec0769766aaee5fc2fb54d921d5 Mon Sep 17 00:00:00 2001 From: Tian Tao Date: Mon, 25 Jan 2021 11:57:25 +0800 Subject: [PATCH] KVM: X86: use vzalloc() instead of vmalloc/memset MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit fixed the following warning： /virt/kvm/dirty_ring.c:70:20-27: WARNING: vzalloc should be used for ring -> dirty_gfns, instead of vmalloc/memset. Signed-off-by: Tian Tao Message-Id: <1611547045-13669-1-git-send-email-tiantao6@hisilicon.com> Signed-off-by: Paolo Bonzini --- virt/kvm/dirty_ring.c | 3 +-- 1 file changed, 1 insertion(+), 2 deletions(-) diff --git a/virt/kvm/dirty_ring.c b/virt/kvm/dirty_ring.c index 9d01299563ee..790f17325f8d 100644 --- a/virt/kvm/dirty_ring.c +++ b/virt/kvm/dirty_ring.c @@ -67,10 +67,9 @@ static void kvm_reset_dirty_gfn(struct kvm *kvm, u32 slot, u64 offset, u64 mask) int kvm_dirty_ring_alloc(struct kvm_dirty_ring *ring, int index, u32 size) { - ring->dirty_gfns = vmalloc(size); + ring->dirty_gfns = vzalloc(size); if (!ring->dirty_gfns) return -ENOMEM; - memset(ring->dirty_gfns, 0, size); ring->size = size / sizeof(struct kvm_dirty_gfn); ring->soft_limit = ring->size - kvm_dirty_ring_get_rsvd_entries();