+ mm-use-vma_lookup-instead-of-find_vma.patch added to mm-unstable branch

+ mm-use-vma_lookup-instead-of-find_vma.patch added to mm-unstable branch

[Andrew Morton]

The patch titled
     Subject: mm/mincore.c: use vma_lookup() instead of find_vma()
has been added to the -mm mm-unstable branch.  Its filename is
     mm-use-vma_lookup-instead-of-find_vma.patch

This patch will shortly appear at
     https://git.kernel.org/pub/scm/linux/kernel/git/akpm/25-new.git/tree/patches/mm-use-vma_lookup-instead-of-find_vma.patch

This patch will later appear in the mm-unstable branch at
    git://git.kernel.org/pub/scm/linux/kernel/git/akpm/mm

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------------------------------------------------------
From: Deming Wang <wangdeming@inspur.com>
Subject: mm/mincore.c: use vma_lookup() instead of find_vma()
Date: Thu, 6 Oct 2022 23:03:45 -0400

Using vma_lookup() verifies the start address is contained in the found
vma.  This results in easier to read the code.

Link: https://lkml.kernel.org/r/20221007030345.5029-1-wangdeming@inspur.com
Signed-off-by: Deming Wang <wangdeming@inspur.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
---

 mm/mincore.c |    4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

--- a/mm/mincore.c~mm-use-vma_lookup-instead-of-find_vma
+++ a/mm/mincore.c
@@ -190,8 +190,8 @@ static long do_mincore(unsigned long add
 	unsigned long end;
 	int err;
 
-	vma = find_vma(current->mm, addr);
-	if (!vma || addr < vma->vm_start)
+	vma = vma_lookup(current->mm, addr);
+	if (!vma)
 		return -ENOMEM;
 	end = min(vma->vm_end, addr + (pages << PAGE_SHIFT));
 	if (!can_do_mincore(vma)) {
_

Patches currently in -mm which might be from wangdeming@inspur.com are

mm-use-vma_lookup-instead-of-find_vma.patch