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| author | Jinjiang Tu <tujinjiang@huawei.com> | 2025-03-18 11:39:38 +0300 |
|---|---|---|
| committer | Greg Kroah-Hartman <gregkh@linuxfoundation.org> | 2025-04-20 11:15:50 +0300 |
| commit | 65b259e3e06dc3c59a3d15a717d06c9d6b66e4a7 (patch) | |
| tree | 9d84d55eca7bf7b235dab7133f57a88db66e1e67 /include/linux | |
| parent | 1fd89407d7cb5d26a4029caaa6543c1c502e2e18 (diff) | |
| download | linux-65b259e3e06dc3c59a3d15a717d06c9d6b66e4a7.tar.xz | |
mm/hwpoison: introduce folio_contain_hwpoisoned_page() helper
commit 5f5ee52d4f58605330b09851273d6e56aaadd29e upstream.
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>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Diffstat (limited to 'include/linux')
| -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 48c66b846682..a9244291f506 100644 --- a/include/linux/page-flags.h +++ b/include/linux/page-flags.h @@ -1111,6 +1111,12 @@ 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); |