diff options
| author | Yang Shi <shy828301@gmail.com> | 2021-11-05 23:41:14 +0300 |
|---|---|---|
| committer | Linus Torvalds <torvalds@linux-foundation.org> | 2021-11-06 23:30:38 +0300 |
| commit | 4966455d9100236fd6dd72b0cd00818435fdb25d (patch) | |
| tree | 002bbeffa90feb523c6089f3528c056effd8c920 | |
| parent | b9d02f1bdd98f38e6e5ecacc9786a8f58f3f8b2c (diff) | |
| download | linux-4966455d9100236fd6dd72b0cd00818435fdb25d.tar.xz | |
mm: hwpoison: handle non-anonymous THP correctly
Currently hwpoison doesn't handle non-anonymous THP, but since v4.8 THP
support for tmpfs and read-only file cache has been added. They could
be offlined by split THP, just like anonymous THP.
Link: https://lkml.kernel.org/r/20211020210755.23964-7-shy828301@gmail.com
Signed-off-by: Yang Shi <shy828301@gmail.com>
Acked-by: Naoya Horiguchi <naoya.horiguchi@nec.com>
Cc: Hugh Dickins <hughd@google.com>
Cc: Kirill A. Shutemov <kirill.shutemov@linux.intel.com>
Cc: Matthew Wilcox <willy@infradead.org>
Cc: Oscar Salvador <osalvador@suse.de>
Cc: Peter Xu <peterx@redhat.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
| -rw-r--r-- | mm/memory-failure.c | 7 |
1 files changed, 2 insertions, 5 deletions
diff --git a/mm/memory-failure.c b/mm/memory-failure.c index 952a41d568c4..f38b7b42a508 100644 --- a/mm/memory-failure.c +++ b/mm/memory-failure.c @@ -1444,14 +1444,11 @@ static int identify_page_state(unsigned long pfn, struct page *p, static int try_to_split_thp_page(struct page *page, const char *msg) { lock_page(page); - if (!PageAnon(page) || unlikely(split_huge_page(page))) { + if (unlikely(split_huge_page(page))) { unsigned long pfn = page_to_pfn(page); unlock_page(page); - if (!PageAnon(page)) - pr_info("%s: %#lx: non anonymous thp\n", msg, pfn); - else - pr_info("%s: %#lx: thp split failed\n", msg, pfn); + pr_info("%s: %#lx: thp split failed\n", msg, pfn); put_page(page); return -EBUSY; } |