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mm: memory-failure: add PageOffline() check

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Memory failure is not interested in logically offlined pages.  Skip this
type of page.

Link: https://lkml.kernel.org/r/20230727115643.639741-5-linmiaohe@huawei.com
Signed-off-by: Miaohe Lin <linmiaohe@huawei.com>
Acked-by: Naoya Horiguchi <naoya.horiguchi@nec.com>
Cc: Kefeng Wang <wangkefeng.wang@huawei.com>
Cc: Matthew Wilcox (Oracle) <willy@infradead.org>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
This commit is contained in:
Miaohe Lin 2023-07-27 19:56:43 +08:00 committed by Andrew Morton
parent 52ae298e3e
commit 7a8817f2c9
1 changed files with 3 additions and 2 deletions
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5
mm/memory-failure.c
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@ -1562,7 +1562,7 @@ static bool hwpoison_user_mappings(struct page *p, unsigned long pfn,
* Here we are interested only in user-mapped pages, so skip any
* other types of pages.
*/
if (PageReserved(p) || PageSlab(p) || PageTable(p))
if (PageReserved(p) || PageSlab(p) || PageTable(p) || PageOffline(p))
return true;
if (!(PageLRU(hpage) || PageHuge(p)))
return true;
@ -2533,7 +2533,8 @@ int unpoison_memory(unsigned long pfn)
goto unlock_mutex;
}
if (folio_test_slab(folio) || PageTable(&folio->page) || folio_test_reserved(folio))
if (folio_test_slab(folio) || PageTable(&folio->page) ||
folio_test_reserved(folio) || PageOffline(&folio->page))
goto unlock_mutex;
/*