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From:   Liam Howlett <liam.howlett@oracle.com>
To:     "maple-tree@lists.infradead.org" <maple-tree@lists.infradead.org>,
        "linux-mm@kvack.org" <linux-mm@kvack.org>,
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        Peter Zijlstra <peterz@infradead.org>,
        Michel Lespinasse <walken.cr@gmail.com>,
        Liam Howlett <liam.howlett@oracle.com>
Subject: [PATCH 06/94] arch/powerpc/kvm/book3s: Use vma_lookup() in
 kvmppc_hv_setup_htab_rma()
Thread-Topic: [PATCH 06/94] arch/powerpc/kvm/book3s: Use vma_lookup() in
 kvmppc_hv_setup_htab_rma()
Thread-Index: AQHXPEQoJ0FEWO/iOEuxn895AGs06A==
Date:   Wed, 28 Apr 2021 15:35:45 +0000
Message-ID: <20210428153542.2814175-7-Liam.Howlett@Oracle.com>
References: <20210428153542.2814175-1-Liam.Howlett@Oracle.com>
In-Reply-To: <20210428153542.2814175-1-Liam.Howlett@Oracle.com>
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Using vma_lookup() removes the requirement to check if the address is
within the returned vma.

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 4a532410e128..89a942e652e5 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 =3D memslot->userspace_addr;
 	mmap_read_lock(kvm->mm);
-	vma =3D find_vma(kvm->mm, hva);
-	if (!vma || vma->vm_start > hva || (vma->vm_flags & VM_IO))
+	vma =3D vma_lookup(kvm->mm, hva);
+	if (!vma || (vma->vm_flags & VM_IO))
 		goto up_out;
=20
 	psize =3D vma_kernel_pagesize(vma);
--=20
2.30.2