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arch/powerpc/kvm/book3s: use vma_lookup() in kvmppc_hv_setup_htab_rma()

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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.

Link: https://lkml.kernel.org/r/20210521174745.2219620-7-Liam.Howlett@Oracle.com
Signed-off-by: Liam R. Howlett <Liam.Howlett@Oracle.com>
Reviewed-by: Laurent Dufour <ldufour@linux.ibm.com>
Acked-by: David Hildenbrand <david@redhat.com>
Acked-by: Davidlohr Bueso <dbueso@suse.de>
Cc: Geert Uytterhoeven <geert@linux-m68k.org>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
This commit is contained in:
Liam Howlett 2021-06-28 19:39:05 -07:00 committed by Linus Torvalds
parent 27a14d287e
commit 900c83f88a
1 changed files with 2 additions and 2 deletions
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4
arch/powerpc/kvm/book3s_hv.c
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@ -4758,8 +4758,8 @@ 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);