From: Miaohe Lin <linmiaohe@xxxxxxxxxx>
Subject: mm/memory-failure.c: remove PageSlab check in hwpoison_filter_dev
Since commit 03e5ac2fc3bf ("mm: fix crash when using XFS on loopback"),
page_mapping() can handle the Slab pages. So remove this unnecessary
PageSlab check and obsolete comment.
Link: https://lkml.kernel.org/r/20220218090118.1105-6-linmiaohe@xxxxxxxxxx
Signed-off-by: Miaohe Lin <linmiaohe@xxxxxxxxxx>
Acked-by: Naoya Horiguchi <naoya.horiguchi@xxxxxxx>
Signed-off-by: Andrew Morton <akpm@xxxxxxxxxxxxxxxxxxxx>
---
mm/memory-failure.c | 6 ------
1 file changed, 6 deletions(-)
--- a/mm/memory-failure.c~mm-memory-failurec-remove-pageslab-check-in-hwpoison_filter_dev
+++ a/mm/memory-failure.c
@@ -130,12 +130,6 @@ static int hwpoison_filter_dev(struct pa
hwpoison_filter_dev_minor == ~0U)
return 0;
- /*
- * page_mapping() does not accept slab pages.
- */
- if (PageSlab(p))
- return -EINVAL;
-
mapping = page_mapping(p);
if (mapping == NULL || mapping->host == NULL)
return -EINVAL;
_
