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Message-ID: <20230109205300.955019-1-Liam.Howlett@oracle.com>
Date:   Mon, 9 Jan 2023 20:53:22 +0000
From:   Liam Howlett <liam.howlett@...cle.com>
To:     "linux-mm@...ck.org" <linux-mm@...ck.org>,
        "linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>,
        Andrew Morton <akpm@...ux-foundation.org>,
        "maple-tree@...ts.infradead.org" <maple-tree@...ts.infradead.org>
CC:     Liam Howlett <liam.howlett@...cle.com>,
        SeongJae Park <sj@...nel.org>
Subject: [PATCH] mm.h: Fix "mm: Add temporary vma iterator versions of
 vma_merge(), split_vma(), and __split_vma()

The extern definition of __split_vma() was removed too early.  Re-add it
and remove it once the users are all converted.

Reported-by: SeongJae Park <sj@...nel.org>
Signed-off-by: Liam R. Howlett <Liam.Howlett@...cle.com>
---
 include/linux/mm.h | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/include/linux/mm.h b/include/linux/mm.h
index 9c790c88f691..14e3698fcbe7 100644
--- a/include/linux/mm.h
+++ b/include/linux/mm.h
@@ -2840,6 +2840,8 @@ extern struct vm_area_struct *vmi_vma_merge(struct vma_iterator *vmi,
 	struct file *, pgoff_t, struct mempolicy *, struct vm_userfaultfd_ctx,
 	struct anon_vma_name *);
 extern struct anon_vma *find_mergeable_anon_vma(struct vm_area_struct *);
+extern int __split_vma(struct mm_struct *, struct vm_area_struct *,
+			       unsigned long addr, int new_below);
 extern int vmi__split_vma(struct vma_iterator *vmi, struct mm_struct *,
 	struct vm_area_struct *, unsigned long addr, int new_below);
 extern int split_vma(struct mm_struct *, struct vm_area_struct *,
-- 
2.35.1

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