diff mbox series

[v13,120/137] mm/filemap: Remove PageHWPoison check from next_uptodate_page()

Message ID 20210712030701.4000097-121-willy@infradead.org (mailing list archive)
State New
Headers show
Series Memory folios | expand

Commit Message

Matthew Wilcox July 12, 2021, 3:06 a.m. UTC
Pages are individually marked as suffering from hardware poisoning.
Checking that the head page is not hardware poisoned doesn't make
sense; we might be after a subpage.  We check each page individually
before we use it, so this was an optimisation gone wrong.

Signed-off-by: Matthew Wilcox (Oracle) <willy@infradead.org>
---
 mm/filemap.c | 2 --
 1 file changed, 2 deletions(-)
diff mbox series

Patch

diff --git a/mm/filemap.c b/mm/filemap.c
index 9da9bac99ecd..9a6550c8b7c7 100644
--- a/mm/filemap.c
+++ b/mm/filemap.c
@@ -3127,8 +3127,6 @@  static struct page *next_uptodate_page(struct page *page,
 			goto skip;
 		if (!PageUptodate(page) || PageReadahead(page))
 			goto skip;
-		if (PageHWPoison(page))
-			goto skip;
 		if (!trylock_page(page))
 			goto skip;
 		if (page->mapping != mapping)