diff options
| author | Miaohe Lin <linmiaohe@huawei.com> | 2023-07-27 19:56:43 +0800 |
|---|---|---|
| committer | Andrew Morton <akpm@linux-foundation.org> | 2023-09-02 15:17:33 -0700 |
| commit | 7a8817f2c96e98d5e65a59e34ba9ea1ff6ed23bc (patch) | |
| tree | cc9c0825ca036ba8d3cc32144ed1f15f8b0b0a11 /mm/memory-failure.c | |
| parent | 52ae298e3e5c9be5bb95e1c6d9199e5210f2a156 (diff) | |
| download | lwn-7a8817f2c96e98d5e65a59e34ba9ea1ff6ed23bc.tar.gz lwn-7a8817f2c96e98d5e65a59e34ba9ea1ff6ed23bc.zip | |
mm: memory-failure: add PageOffline() check
Memory failure is not interested in logically offlined pages. Skip this
type of page.
Link: https://lkml.kernel.org/r/20230727115643.639741-5-linmiaohe@huawei.com
Signed-off-by: Miaohe Lin <linmiaohe@huawei.com>
Acked-by: Naoya Horiguchi <naoya.horiguchi@nec.com>
Cc: Kefeng Wang <wangkefeng.wang@huawei.com>
Cc: Matthew Wilcox (Oracle) <willy@infradead.org>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Diffstat (limited to 'mm/memory-failure.c')
| -rw-r--r-- | mm/memory-failure.c | 5 |
1 files changed, 3 insertions, 2 deletions
diff --git a/mm/memory-failure.c b/mm/memory-failure.c index 881c35ef1daa..ed29d720ee76 100644 --- a/mm/memory-failure.c +++ b/mm/memory-failure.c @@ -1562,7 +1562,7 @@ static bool hwpoison_user_mappings(struct page *p, unsigned long pfn, * Here we are interested only in user-mapped pages, so skip any * other types of pages. */ - if (PageReserved(p) || PageSlab(p) || PageTable(p)) + if (PageReserved(p) || PageSlab(p) || PageTable(p) || PageOffline(p)) return true; if (!(PageLRU(hpage) || PageHuge(p))) return true; @@ -2533,7 +2533,8 @@ int unpoison_memory(unsigned long pfn) goto unlock_mutex; } - if (folio_test_slab(folio) || PageTable(&folio->page) || folio_test_reserved(folio)) + if (folio_test_slab(folio) || PageTable(&folio->page) || + folio_test_reserved(folio) || PageOffline(&folio->page)) goto unlock_mutex; /* |