mm: memory-failure: add PageOffline() check

Memory failure is not interested in logically offlined pages. Skip this type of page. Link: https://lkml.kernel.org/r/[email protected] Signed-off-by: Miaohe Lin <[email protected]> Acked-by: Naoya Horiguchi <[email protected]> Cc: Kefeng Wang <[email protected]> Cc: Matthew Wilcox (Oracle) <[email protected]> Signed-off-by: Andrew Morton <[email protected]>
kawasaki · Sep 2, 2023 · 7a8817f · 7a8817f
1 parent 52ae298
commit 7a8817f
Showing 1 changed file with 3 additions and 2 deletions.
diff --git a/mm/memory-failure.c b/mm/memory-failure.c
@@ -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;
 
 	/*