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mm/memory-failure.c: remove PageSlab check in hwpoison_filter_dev

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Since commit 03e5ac2fc3 ("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@huawei.com
Signed-off-by: Miaohe Lin <linmiaohe@huawei.com>
Acked-by: Naoya Horiguchi <naoya.horiguchi@nec.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
This commit is contained in:
Miaohe Lin 2022-03-22 14:44:24 -07:00 committed by Linus Torvalds
parent 75ee64b3c9
commit 67ff51c6a6
1 changed files with 0 additions and 6 deletions
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6
mm/memory-failure.c
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@ -130,12 +130,6 @@ static int hwpoison_filter_dev(struct page *p)
hwpoison_filter_dev_minor == ~0U) hwpoison_filter_dev_minor == ~0U)
return 0; return 0;
/*
* page_mapping() does not accept slab pages.
*/
if (PageSlab(p))
return -EINVAL;
mapping = page_mapping(p); mapping = page_mapping(p);
if (mapping == NULL || mapping->host == NULL) if (mapping == NULL || mapping->host == NULL)
return -EINVAL; return -EINVAL;