[patch 108/192] arch/arm64/kvm: use vma_lookup() instead of find_vma_intersection()

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From: Liam Howlett <liam.howlett@xxxxxxxxxx>
Subject: arch/arm64/kvm: use vma_lookup() instead of find_vma_intersection()

vma_lookup() finds the vma of a specific address with a cleaner interface
and is more readable.

Link: https://lkml.kernel.org/r/20210521174745.2219620-5-Liam.Howlett@xxxxxxxxxx
Signed-off-by: Liam R. Howlett <Liam.Howlett@xxxxxxxxxx>
Reviewed-by: Laurent Dufour <ldufour@xxxxxxxxxxxxx>
Acked-by: David Hildenbrand <david@xxxxxxxxxx>
Acked-by: Davidlohr Bueso <dbueso@xxxxxxx>
Cc: Geert Uytterhoeven <geert@xxxxxxxxxxxxxx>
Signed-off-by: Andrew Morton <akpm@xxxxxxxxxxxxxxxxxxxx>
---

 arch/arm64/kvm/mmu.c |    2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

--- a/arch/arm64/kvm/mmu.c~arch-arm64-kvm-use-vma_lookup-instead-of-find_vma_intersection
+++ a/arch/arm64/kvm/mmu.c
@@ -855,7 +855,7 @@ static int user_mem_abort(struct kvm_vcp
 
 	/* Let's check if we will get back a huge page backed by hugetlbfs */
 	mmap_read_lock(current->mm);
-	vma = find_vma_intersection(current->mm, hva, hva + 1);
+	vma = vma_lookup(current->mm, hva);
 	if (unlikely(!vma)) {
 		kvm_err("Failed to find VMA for hva 0x%lx\n", hva);
 		mmap_read_unlock(current->mm);
_




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