Messages in this thread Patch in this message | | | From | "Matthew Wilcox (Oracle)" <> | Subject | [PATCH v13 120/137] mm/filemap: Remove PageHWPoison check from next_uptodate_page() | Date | Mon, 12 Jul 2021 04:06:44 +0100 |
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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 --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) -- 2.30.2
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