[PATCH 06/22] arch/powerpc/kvm/book3s: Use vma_lookup() in kvmppc_hv_setup_htab_rma()

Liam Howlett
2021-05-10T17:00:51Z

Using vma_lookup() removes the requirement to check if the address is
within the returned vma. The code is easier to understand and more
compact.

Signed-off-by: Liam R. Howlett <Liam.Howlett@Oracle.com>
---
arch/powerpc/kvm/book3s_hv.c | 4 ++--
1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/arch/powerpc/kvm/book3s_hv.c b/arch/powerpc/kvm/book3s_hv.c
index 28a80d240b76..a3a4b2179350 100644
--- a/arch/powerpc/kvm/book3s_hv.c
+++ b/arch/powerpc/kvm/book3s_hv.c
@@ -4759,8 +4759,8 @@ static int kvmppc_hv_setup_htab_rma(struct kvm_vcpu *vcpu)
/* Look up the VMA for the start of this memory slot */
hva = memslot->userspace_addr;
mmap_read_lock(kvm->mm);
- vma = find_vma(kvm->mm, hva);
- if (!vma || vma->vm_start > hva || (vma->vm_flags & VM_IO))
+ vma = vma_lookup(kvm->mm, hva);
+ if (!vma || (vma->vm_flags & VM_IO))
goto up_out;

psize = vma_kernel_pagesize(vma);
--
2.30.2