linux-kernel - [PATCH v8 55/70] mm/madvise: use vma

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Message-ID: <20220426150616.3937571-56-Liam.Howlett@oracle.com>
Date:   Tue, 26 Apr 2022 15:06:48 +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>,
        Yu Zhao <yuzhao@...gle.com>
Subject: [PATCH v8 55/70] mm/madvise: use vma_find() instead of vma linked
 list

From: "Liam R. Howlett" <Liam.Howlett@...cle.com>

madvise_walk_vmas() no longer uses linked list.

Signed-off-by: Liam R. Howlett <Liam.Howlett@...cle.com>
Acked-by: Vlastimil Babka <vbabka@...e.cz>
---
 mm/madvise.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/mm/madvise.c b/mm/madvise.c
index ec03a76244b7..1c943a7ddcb2 100644
--- a/mm/madvise.c
+++ b/mm/madvise.c
@@ -1232,7 +1232,7 @@ int madvise_walk_vmas(struct mm_struct *mm, unsigned long start,
 		if (start >= end)
 			break;
 		if (prev)
-			vma = prev->vm_next;
+			vma = find_vma(mm, prev->vm_end);
 		else	/* madvise_remove dropped mmap_lock */
 			vma = find_vma(mm, start);
 	}
-- 
2.35.1