From c910662c7c696ec0769766aaee5fc2fb54d921d5 Mon Sep 17 00:00:00 2001
From: Tian Tao <tiantao6@hisilicon.com>
Date: Mon, 25 Jan 2021 11:57:25 +0800
Subject: [PATCH] KVM: X86: use vzalloc() instead of vmalloc/memset
MIME-Version: 1.0
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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 <tiantao6@hisilicon.com>
Message-Id: <1611547045-13669-1-git-send-email-tiantao6@hisilicon.com>
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
---
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();