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KVM: X86: use vzalloc() instead of vmalloc/memset

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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>
This commit is contained in:
Tian Tao 2021-01-25 11:57:25 +08:00 committed by Paolo Bonzini
parent 15b51dc08a
commit c910662c7c
1 changed files with 1 additions and 2 deletions
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3
virt/kvm/dirty_ring.c
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@ -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();