The patch titled
Subject: mm/uffd: fix comment in handling pte markers
has been added to the -mm mm-unstable branch. Its filename is
mm-uffd-fix-comment-in-handling-pte-markers.patch
This patch will shortly appear at
https://git.kernel.org/pub/scm/linux/kernel/git/akpm/25-new.git/tree/patches/mm-uffd-fix-comment-in-handling-pte-markers.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: Peter Xu <peterx@xxxxxxxxxx>
Subject: mm/uffd: fix comment in handling pte markers
Date: Wed, 15 Feb 2023 15:58:00 -0500
The comment is obsolete after f369b07c8614 ("mm/uffd: reset write
protection when unregister with wp-mode", 2022-08-20). Remove it.
Link: https://lkml.kernel.org/r/20230215205800.223549-1-peterx@xxxxxxxxxx
Signed-off-by: Peter Xu <peterx@xxxxxxxxxx>
Reviewed-by: David Hildenbrand <david@xxxxxxxxxx>
Cc: Andrea Arcangeli <aarcange@xxxxxxxxxx>
Cc: Axel Rasmussen <axelrasmussen@xxxxxxxxxx>
Signed-off-by: Andrew Morton <akpm@xxxxxxxxxxxxxxxxxxxx>
---
mm/memory.c | 4 +---
1 file changed, 1 insertion(+), 3 deletions(-)
--- a/mm/memory.c~mm-uffd-fix-comment-in-handling-pte-markers
+++ a/mm/memory.c
@@ -3627,9 +3627,7 @@ static vm_fault_t pte_marker_handle_uffd
{
/*
* Just in case there're leftover special ptes even after the region
- * got unregistered - we can simply clear them. We can also do that
- * proactively when e.g. when we do UFFDIO_UNREGISTER upon some uffd-wp
- * ranges, but it should be more efficient to be done lazily here.
+ * got unregistered - we can simply clear them.
*/
if (unlikely(!userfaultfd_wp(vmf->vma) || vma_is_anonymous(vmf->vma)))
return pte_marker_clear(vmf);
_
Patches currently in -mm which might be from peterx@xxxxxxxxxx are
mm-uffd-fix-comment-in-handling-pte-markers.patch
