diff options
| author |   Yang Li <yang.lee@linux.alibaba.com> | 2021-09-29 15:28:46 +0800 |
|---|---|---|
| committer |   Paolo Bonzini <pbonzini@redhat.com> | 2021-09-30 04:27:03 -0400 |
| commit | 11476d277e06bbd7e1ba3315e0cfc78f529be9e2 (patch) | |
| tree | 64717f8d6e158191a1d32972994e2061b0b209aa /virt | |
| parent | KVM: nVMX: Reset vmxon_ptr upon VMXOFF emulation. (diff) | |
| download | linux-dev-11476d277e06bbd7e1ba3315e0cfc78f529be9e2.tar.xz linux-dev-11476d277e06bbd7e1ba3315e0cfc78f529be9e2.zip | |
KVM: use vma_pages() helper
Use vma_pages function on vma object instead of explicit computation.
Fix the following coccicheck warning:
./virt/kvm/kvm_main.c:3526:29-35: WARNING: Consider using vma_pages
helper on vma
Reported-by: Abaci Robot <abaci@linux.alibaba.com>
Signed-off-by: Yang Li <yang.lee@linux.alibaba.com>
Message-Id: <1632900526-119643-1-git-send-email-yang.lee@linux.alibaba.com>
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
Diffstat (limited to 'virt')
| -rw-r--r-- | virt/kvm/kvm_main.c | 2 |
1 files changed, 1 insertions, 1 deletions
diff --git a/virt/kvm/kvm_main.c b/virt/kvm/kvm_main.c index 7851f3a1b5f7..8f0e9ea11280 100644 --- a/virt/kvm/kvm_main.c +++ b/virt/kvm/kvm_main.c @@ -3523,7 +3523,7 @@ static const struct vm_operations_struct kvm_vcpu_vm_ops = { static int kvm_vcpu_mmap(struct file *file, struct vm_area_struct *vma) { struct kvm_vcpu *vcpu = file->private_data; - unsigned long pages = (vma->vm_end - vma->vm_start) >> PAGE_SHIFT; + unsigned long pages = vma_pages(vma); if ((kvm_page_in_dirty_ring(vcpu->kvm, vma->vm_pgoff) || kvm_page_in_dirty_ring(vcpu->kvm, vma->vm_pgoff + pages - 1)) && |