diff options
| author | Jinjiang Tu <tujinjiang@huawei.com> | 2025-03-18 16:39:38 +0800 |
|---|---|---|
| committer | Andrew Morton <akpm@linux-foundation.org> | 2025-03-21 22:03:16 -0700 |
| commit | 5f5ee52d4f58605330b09851273d6e56aaadd29e (patch) | |
| tree | a81ff08bb71b5406394d62291ff959737841d22c /mm | |
| parent | 4c8bc7c4e3fbbdf07a879429c34a78f31d9894d4 (diff) | |
mm/hwpoison: introduce folio_contain_hwpoisoned_page() helper
Patch series "mm/vmscan: don't try to reclaim hwpoison folio".
Fix a bug during memory reclaim if folio is hwpoisoned.
This patch (of 2):
Introduce helper folio_contain_hwpoisoned_page() to check if the entire
folio is hwpoisoned or it contains hwpoisoned pages.
Link: https://lkml.kernel.org/r/20250318083939.987651-1-tujinjiang@huawei.com
Link: https://lkml.kernel.org/r/20250318083939.987651-2-tujinjiang@huawei.com
Signed-off-by: Jinjiang Tu <tujinjiang@huawei.com>
Acked-by: Miaohe Lin <linmiaohe@huawei.com>
Cc: David Hildenbrand <david@redhat.com>
Cc: Kefeng Wang <wangkefeng.wang@huawei.com>
Cc: Nanyong Sun <sunnanyong@huawei.com>
Cc: Naoya Horiguchi <nao.horiguchi@gmail.com>
Cc: <stable@vger,kernel.org>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Diffstat (limited to 'mm')
| -rw-r--r-- | mm/memory_hotplug.c | 3 | ||||
| -rw-r--r-- | mm/shmem.c | 3 |
2 files changed, 2 insertions, 4 deletions
diff --git a/mm/memory_hotplug.c b/mm/memory_hotplug.c index 16cf9e17077e..75401866fb76 100644 --- a/mm/memory_hotplug.c +++ b/mm/memory_hotplug.c @@ -1828,8 +1828,7 @@ static void do_migrate_range(unsigned long start_pfn, unsigned long end_pfn) if (unlikely(page_folio(page) != folio)) goto put_folio; - if (folio_test_hwpoison(folio) || - (folio_test_large(folio) && folio_test_has_hwpoisoned(folio))) { + if (folio_contain_hwpoisoned_page(folio)) { if (WARN_ON(folio_test_lru(folio))) folio_isolate_lru(folio); if (folio_mapped(folio)) { diff --git a/mm/shmem.c b/mm/shmem.c index 7b738d8d6581..17f27d92c664 100644 --- a/mm/shmem.c +++ b/mm/shmem.c @@ -3290,8 +3290,7 @@ shmem_write_begin(struct file *file, struct address_space *mapping, if (ret) return ret; - if (folio_test_hwpoison(folio) || - (folio_test_large(folio) && folio_test_has_hwpoisoned(folio))) { + if (folio_contain_hwpoisoned_page(folio)) { folio_unlock(folio); folio_put(folio); return -EIO; |