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authorMatthew Wilcox (Oracle) <[email protected]>2021-05-25 14:11:25 +0000
committerMatthew Wilcox (Oracle) <[email protected]>2022-01-03 01:28:35 +0000
commit9144785b02765409f63b2fe16948bc746248cf1f (patch)
tree7a0c490bcead29729e8a624c1091e034e22bab13
parentMerge tag 'perf-tools-fixes-for-v5.16-2021-12-07' of git://git.kernel.org/pub... (diff)
downloadkernel-9144785b02765409f63b2fe16948bc746248cf1f.tar.gz
kernel-9144785b02765409f63b2fe16948bc746248cf1f.zip
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) <[email protected]> Reviewed-by: Christoph Hellwig <[email protected]> Reviewed-by: William Kucharski <[email protected]>
-rw-r--r--mm/filemap.c2
1 files changed, 0 insertions, 2 deletions
diff --git a/mm/filemap.c b/mm/filemap.c
index daa0e23a6ee6..39c4c46c6133 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)