linux-kernel - [PATCH v4 10/49] mmap: Convert vma

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Message-Id: <20230120162650.984577-11-Liam.Howlett@oracle.com>
Date:   Fri, 20 Jan 2023 11:26:11 -0500
From:   "Liam R. Howlett" <Liam.Howlett@...cle.com>
To:     linux-mm@...ck.org, linux-kernel@...r.kernel.org,
        Andrew Morton <akpm@...ux-foundation.org>,
        maple-tree@...ts.infradead.org
Cc:     "Liam R. Howlett" <Liam.Howlett@...cle.com>,
        "Liam R . Howlett" <Liam.Howlett@...cle.com>
Subject: [PATCH v4 10/49] mmap: Convert vma_link() vma iterator

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

Avoid using the maple tree interface directly.

Signed-off-by: Liam R. Howlett <Liam.Howlett@...cle.com>
---
 mm/mmap.c | 6 +++---
 1 file changed, 3 insertions(+), 3 deletions(-)

diff --git a/mm/mmap.c b/mm/mmap.c
index e2ba9b094cad..09a5b6e00374 100644
--- a/mm/mmap.c
+++ b/mm/mmap.c
@@ -487,10 +487,10 @@ static inline void vma_mas_szero(struct ma_state *mas, unsigned long start,
 
 static int vma_link(struct mm_struct *mm, struct vm_area_struct *vma)
 {
-	MA_STATE(mas, &mm->mm_mt, 0, 0);
+	VMA_ITERATOR(vmi, mm, 0);
 	struct address_space *mapping = NULL;
 
-	if (mas_preallocate(&mas, GFP_KERNEL))
+	if (vma_iter_prealloc(&vmi))
 		return -ENOMEM;
 
 	if (vma->vm_file) {
@@ -498,7 +498,7 @@ static int vma_link(struct mm_struct *mm, struct vm_area_struct *vma)
 		i_mmap_lock_write(mapping);
 	}
 
-	vma_mas_store(vma, &mas);
+	vma_iter_store(&vmi, vma);
 
 	if (mapping) {
 		__vma_link_file(vma, mapping);
-- 
2.35.1