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 /include/linux/page-flags.h | |
| 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 'include/linux/page-flags.h')
| -rw-r--r-- | include/linux/page-flags.h | 6 |
1 files changed, 6 insertions, 0 deletions
diff --git a/include/linux/page-flags.h b/include/linux/page-flags.h index f26ce54c7aa4..68f4b188fc6b 100644 --- a/include/linux/page-flags.h +++ b/include/linux/page-flags.h @@ -1098,6 +1098,12 @@ static inline bool is_page_hwpoison(const struct page *page) return folio_test_hugetlb(folio) && PageHWPoison(&folio->page); } +static inline bool folio_contain_hwpoisoned_page(struct folio *folio) +{ + return folio_test_hwpoison(folio) || + (folio_test_large(folio) && folio_test_has_hwpoisoned(folio)); +} + bool is_free_buddy_page(const struct page *page); PAGEFLAG(Isolated, isolated, PF_ANY); |