linux-kernel - [PATCH 04/22] arch/arm64/kvm: Use vma_lookup() instead of find_vma

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Date:   Mon, 10 May 2021 16:58:50 +0000
From:   Liam Howlett <liam.howlett@...cle.com>
To:     "maple-tree@...ts.infradead.org" <maple-tree@...ts.infradead.org>,
        "linux-mm@...ck.org" <linux-mm@...ck.org>,
        "linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>,
        Andrew Morton <akpm@...ux-foundation.org>
CC:     Song Liu <songliubraving@...com>,
        Davidlohr Bueso <dave@...olabs.net>,
        "Paul E . McKenney" <paulmck@...nel.org>,
        Matthew Wilcox <willy@...radead.org>,
        Laurent Dufour <ldufour@...ux.ibm.com>,
        David Rientjes <rientjes@...gle.com>,
        Axel Rasmussen <axelrasmussen@...gle.com>,
        Suren Baghdasaryan <surenb@...gle.com>,
        Vlastimil Babka <vbabka@...e.cz>,
        Rik van Riel <riel@...riel.com>,
        Peter Zijlstra <peterz@...radead.org>,
        Michel Lespinasse <michel@...pinasse.org>,
        Liam Howlett <liam.howlett@...cle.com>
Subject: [PATCH 04/22] 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.

Signed-off-by: Liam R. Howlett <Liam.Howlett@...cle.com>
---
 arch/arm64/kvm/mmu.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/arch/arm64/kvm/mmu.c b/arch/arm64/kvm/mmu.c
index c5d1f3c87dbd..8b112b594e09 100644
--- a/arch/arm64/kvm/mmu.c
+++ b/arch/arm64/kvm/mmu.c
@@ -855,7 +855,7 @@ static int user_mem_abort(struct kvm_vcpu *vcpu, phys_addr_t fault_ipa,
 
 	/* 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);
-- 
2.30.2