Re: [PATCH v3] mm: memory-failure: update ttu flag inside unmap_poisoned_folio

[Andrew Morton]

On Wed, 19 Feb 2025 14:06:52 +0800 Wupeng Ma <mawupeng1@xxxxxxxxxx> wrote:
>
> ...
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Thanks, I queued the below fix, so people can see what changed from v2:

From: Ma Wupeng <mawupeng1@xxxxxxxxxx>
Subject: mm-memory-failure-update-ttu-flag-inside-unmap_poisoned_folio-v3
Date: Wed, 19 Feb 2025 14:06:52 +0800

unmap_poisoned_folio(): remove shadowed local `mapping', per Miaohe

Link: https://lkml.kernel.org/r/20250219060653.3849083-1-mawupeng1@xxxxxxxxxx
Fixes: 6da6b1d4a7df ("mm/hwpoison: convert TTU_IGNORE_HWPOISON to TTU_HWPOISON")
Suggested-by: David Hildenbrand <david@xxxxxxxxxx>
Signed-off-by: Ma Wupeng <mawupeng1@xxxxxxxxxx>
Acked-by: David Hildenbrand <david@xxxxxxxxxx>
Acked-by: Miaohe Lin <linmiaohe@xxxxxxxxxx>
Signed-off-by: Andrew Morton <akpm@xxxxxxxxxxxxxxxxxxxx>
---

 mm/memory-failure.c |    2 --
 1 file changed, 2 deletions(-)

--- a/mm/memory-failure.c~mm-memory-failure-update-ttu-flag-inside-unmap_poisoned_folio-v3
+++ a/mm/memory-failure.c
@@ -1585,8 +1585,6 @@ int unmap_poisoned_folio(struct folio *f
 	}
 
 	if (folio_test_hugetlb(folio) && !folio_test_anon(folio)) {
-		struct address_space *mapping;
-
 		/*
 		 * For hugetlb folios in shared mappings, try_to_unmap
 		 * could potentially call huge_pmd_unshare.  Because of
_