From 9144785b02765409f63b2fe16948bc746248cf1f Mon Sep 17 00:00:00 2001 From: "Matthew Wilcox (Oracle)" Date: Tue, 25 May 2021 10:11:25 -0400 Subject: [PATCH] filemap: Remove PageHWPoison check from next_uptodate_page() 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) Reviewed-by: Christoph Hellwig Reviewed-by: William Kucharski --- mm/filemap.c | 2 -- 1 file changed, 2 deletions(-) diff --git a/mm/filemap.c b/mm/filemap.c index daa0e23a6ee66..39c4c46c61337 100644 --- a/mm/filemap.c +++ b/mm/filemap.c @@ -3253,8 +3253,6 @@ 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)