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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 89/94] arch/um/kernel/tlb: Stop using linked list
Thread-Topic: [PATCH 89/94] arch/um/kernel/tlb: Stop using linked list
Thread-Index: AQHXPERCmpNl5CkGJ0qmp2kW6nsdbw==
Date:   Wed, 28 Apr 2021 15:36:30 +0000
Message-ID: <20210428153542.2814175-90-Liam.Howlett@Oracle.com>
References: <20210428153542.2814175-1-Liam.Howlett@Oracle.com>
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Signed-off-by: Liam R. Howlett <Liam.Howlett@Oracle.com>
---
 arch/um/kernel/tlb.c | 16 ++++++++--------
 1 file changed, 8 insertions(+), 8 deletions(-)

diff --git a/arch/um/kernel/tlb.c b/arch/um/kernel/tlb.c
index bc38f79ca3a3..0cbbebad70a0 100644
--- a/arch/um/kernel/tlb.c
+++ b/arch/um/kernel/tlb.c
@@ -584,21 +584,21 @@ void flush_tlb_mm_range(struct mm_struct *mm, unsigne=
d long start,
=20
 void flush_tlb_mm(struct mm_struct *mm)
 {
-	struct vm_area_struct *vma =3D mm->mmap;
+	struct vm_area_struct *vma;
+	MA_STATE(mas, &mm->mm_mt, 0, 0);
=20
-	while (vma !=3D NULL) {
+	/* Must hold mm_mt lock already */
+	mas_for_each(&mas, vma, ULONG_MAX)
 		fix_range(mm, vma->vm_start, vma->vm_end, 0);
-		vma =3D vma->vm_next;
-	}
 }
=20
 void force_flush_all(void)
 {
 	struct mm_struct *mm =3D current->mm;
-	struct vm_area_struct *vma =3D mm->mmap;
+	struct vm_area_struct *vma;
+	MA_STATE(mas, &mm->mm_mt, 0, 0);
=20
-	while (vma !=3D NULL) {
+	/* Must hold mm_mt lock already */
+	mas_for_each(&mas, vma, ULONG_MAX)
 		fix_range(mm, vma->vm_start, vma->vm_end, 1);
-		vma =3D vma->vm_next;
-	}
 }
--=20
2.30.2