+ mm-mincore-use-walk_page_range_vma-in-do_mincore-fix.patch added to mm-new branch

[Andrew Morton <akpm@linux-foundation.org>]

The patch titled
     Subject: mm-mincore-use-walk_page_range_vma-in-do_mincore-fix
has been added to the -mm mm-new branch.  Its filename is
     mm-mincore-use-walk_page_range_vma-in-do_mincore-fix.patch

This patch will shortly appear at
     https://git.kernel.org/pub/scm/linux/kernel/git/akpm/25-new.git/tree/patches/mm-mincore-use-walk_page_range_vma-in-do_mincore-fix.patch

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

Note, mm-new is a provisional staging ground for work-in-progress
patches, and acceptance into mm-new is a notification for others take
notice and to finish up reviews.  Please do not hesitate to respond to
review feedback and post updated versions to replace or incrementally
fixup patches in mm-new.

The mm-new branch of mm.git is not included in linux-next

If a few days of testing in mm-new is successful, the patch will me moved
into mm.git's mm-unstable branch, which is included in linux-next

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------------------------------------------------------
From: Andrew Morton <akpm@linux-foundation.org>
Subject: mm-mincore-use-walk_page_range_vma-in-do_mincore-fix
Date: Wed Jun 24 07:35:43 PM PDT 2026

simplify comment, per Pedro

Link: https://lore.kernel.org/ajP9bQhmvR9OX0VE@pedro-suse
Cc: Alistair Popple <apopple@nvidia.com>
Cc: Byungchul Park <byungchul@sk.com>
Cc: David Hildenbrand (Arm) <david@kernel.org>
Cc: Gregory Price <gourry@gourry.net>
Cc: Joshua Hahn <joshua.hahnjy@gmail.com>
Cc: Kefeng Wang <wangkefeng.wang@huawei.com>
Cc: Liam R. Howlett <liam@infradead.org>
Cc: Lorenzo Stoakes <ljs@kernel.org>
Cc: Matthew Brost <matthew.brost@intel.com>
Cc: Pedro Falcato <pfalcato@suse.de>
Cc: Rakie Kim <rakie.kim@sk.com>
Cc: Suren Baghdasaryan <surenb@google.com>
Cc: Vlastimil Babka <vbabka@kernel.org>
Cc: Ying Huang <ying.huang@linux.alibaba.com>
Cc: Zi Yan <ziy@nvidia.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
---

 mm/mincore.c |    7 +------
 1 file changed, 1 insertion(+), 6 deletions(-)

--- a/mm/mincore.c~mm-mincore-use-walk_page_range_vma-in-do_mincore-fix
+++ a/mm/mincore.c
@@ -261,12 +261,7 @@ static long do_mincore(unsigned long add
 	}
 
 	/*
-	 * walk_page_range_vma() does not call walk_page_test(), which
-	 * handles VM_PFNMAP VMA by invoking ->pte_hole() to skip the
-	 * page table walk. Without this check, PFNMAP PTEs would be
-	 * treated as present by mincore_pte_range(), changing the returned
-	 * residency status from the historical "not resident" to "resident".
-	 * Handle VM_PFNMAP explicitly to preserve the original behavior.
+	 * mincore historically reports PFNMAP mappings as non-resident.
 	 */
 	if (vma->vm_flags & VM_PFNMAP) {
 		__mincore_unmapped_range(addr, end, vma, vec);
_

Patches currently in -mm which might be from akpm@linux-foundation.org are

mm-mincore-use-walk_page_range_vma-in-do_mincore-fix.patch
drivers-media-v4l2-core-v4l2-vp9c-reduce-inlining.patch
security-apparmor-apparmorfsc-conditionally-compile-get_loaddata_common_ref.patch