[merged mm-stable] mm-mmap-convert-do_brk_flags-to-use-vma_prepare-and-vma_complete.patch removed from -mm tree

[merged mm-stable] mm-mmap-convert-do_brk_flags-to-use-vma_prepare-and-vma_complete.patch removed from -mm tree

[Andrew Morton]

The quilt patch titled
     Subject: mm/mmap: convert do_brk_flags() to use vma_prepare() and vma_complete()
has been removed from the -mm tree.  Its filename was
     mm-mmap-convert-do_brk_flags-to-use-vma_prepare-and-vma_complete.patch

This patch was dropped because it was merged into the mm-stable branch
of git://git.kernel.org/pub/scm/linux/kernel/git/akpm/mm

------------------------------------------------------
From: "Liam R. Howlett" <Liam.Howlett@Oracle.com>
Subject: mm/mmap: convert do_brk_flags() to use vma_prepare() and vma_complete()
Date: Fri, 20 Jan 2023 11:26:48 -0500

Use the abstracted vma locking for do_brk_flags()

Link: https://lkml.kernel.org/r/20230120162650.984577-48-Liam.Howlett@oracle.com
Signed-off-by: Liam R. Howlett <Liam.Howlett@oracle.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
---

 mm/mmap.c |   12 ++++--------
 1 file changed, 4 insertions(+), 8 deletions(-)

--- a/mm/mmap.c~mm-mmap-convert-do_brk_flags-to-use-vma_prepare-and-vma_complete
+++ a/mm/mmap.c
@@ -2936,6 +2936,7 @@ static int do_brk_flags(struct vma_itera
 		unsigned long addr, unsigned long len, unsigned long flags)
 {
 	struct mm_struct *mm = current->mm;
+	struct vma_prepare vp;
 
 	validate_mm_mt(mm);
 	/*
@@ -2963,18 +2964,13 @@ static int do_brk_flags(struct vma_itera
 			goto unacct_fail;
 
 		vma_adjust_trans_huge(vma, vma->vm_start, addr + len, 0);
-		if (vma->anon_vma) {
-			anon_vma_lock_write(vma->anon_vma);
-			anon_vma_interval_tree_pre_update_vma(vma);
-		}
+		init_vma_prep(&vp, vma);
+		vma_prepare(&vp);
 		vma->vm_end = addr + len;
 		vma->vm_flags |= VM_SOFTDIRTY;
 		vma_iter_store(vmi, vma);
 
-		if (vma->anon_vma) {
-			anon_vma_interval_tree_post_update_vma(vma);
-			anon_vma_unlock_write(vma->anon_vma);
-		}
+		vma_complete(&vp, vmi, mm);
 		khugepaged_enter_vma(vma, flags);
 		goto out;
 	}
_

Patches currently in -mm which might be from Liam.Howlett@Oracle.com are