[merged mm-stable] mm-mmap-vma_merge-initialize-mid-and-next-in-natural-order.patch removed from -mm tree

[merged mm-stable] mm-mmap-vma_merge-initialize-mid-and-next-in-natural-order.patch removed from -mm tree

[Andrew Morton]

The quilt patch titled
     Subject: mm/mmap/vma_merge: initialize mid and next in natural order
has been removed from the -mm tree.  Its filename was
     mm-mmap-vma_merge-initialize-mid-and-next-in-natural-order.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: Vlastimil Babka <vbabka@suse.cz>
Subject: mm/mmap/vma_merge: initialize mid and next in natural order
Date: Thu, 9 Mar 2023 12:12:53 +0100

It is more intuitive to go from prev to mid and then next.  No functional
change.

Link: https://lkml.kernel.org/r/20230309111258.24079-6-vbabka@suse.cz
Signed-off-by: Vlastimil Babka <vbabka@suse.cz>
Reviewed-by: Lorenzo Stoakes <lstoakes@gmail.com>
Reviewed-by: Liam R. Howlett <Liam.Howlett@oracle.com>
Cc: Matthew Wilcox (Oracle) <willy@infradead.org>
Cc: Suren Baghdasaryan <surenb@google.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
---

 mm/mmap.c |    9 +++++----
 1 file changed, 5 insertions(+), 4 deletions(-)

--- a/mm/mmap.c~mm-mmap-vma_merge-initialize-mid-and-next-in-natural-order
+++ a/mm/mmap.c
@@ -912,10 +912,11 @@ struct vm_area_struct *vma_merge(struct
 	if (vm_flags & VM_SPECIAL)
 		return NULL;
 
-	next = find_vma(mm, prev ? prev->vm_end : 0);
-	mid = next;
-	if (next && next->vm_end == end)		/* cases 6, 7, 8 */
-		next = find_vma(mm, next->vm_end);
+	mid = find_vma(mm, prev ? prev->vm_end : 0);
+	if (mid && mid->vm_end == end)			/* cases 6, 7, 8 */
+		next = find_vma(mm, mid->vm_end);
+	else
+		next = mid;
 
 	/* verify some invariant that must be enforced by the caller */
 	VM_WARN_ON(prev && addr <= prev->vm_start);
_

Patches currently in -mm which might be from vbabka@suse.cz are

mm-page_alloc-use-check_pages_enabled-static-key-to-check-tail-pages.patch