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| author | Greg Kroah-Hartman <gregkh@linuxfoundation.org> | 2021-10-04 09:20:57 +0200 |
|---|---|---|
| committer | Greg Kroah-Hartman <gregkh@linuxfoundation.org> | 2021-10-04 09:20:57 +0200 |
| commit | bb76c823585b108b8e3ee9dfc5ef99dd4715ea9a (patch) | |
| tree | dacbaa591ea55a23f5fcee2119405ed9aae7738e /mm/memory-failure.c | |
| parent | e5c044c8a9b65867369f8a4f3d5e3fee265d0487 (diff) | |
| parent | 9e1ff307c779ce1f0f810c7ecce3d95bbae40896 (diff) | |
Merge 5.15-rc4 into driver-core-next
We need the driver core fixes in here as well.
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Diffstat (limited to 'mm/memory-failure.c')
| -rw-r--r-- | mm/memory-failure.c | 12 |
1 files changed, 6 insertions, 6 deletions
diff --git a/mm/memory-failure.c b/mm/memory-failure.c index 54879c339024..3e6449f2102a 100644 --- a/mm/memory-failure.c +++ b/mm/memory-failure.c @@ -306,6 +306,7 @@ static unsigned long dev_pagemap_mapping_shift(struct page *page, struct vm_area_struct *vma) { unsigned long address = vma_address(page, vma); + unsigned long ret = 0; pgd_t *pgd; p4d_t *p4d; pud_t *pud; @@ -329,11 +330,10 @@ static unsigned long dev_pagemap_mapping_shift(struct page *page, if (pmd_devmap(*pmd)) return PMD_SHIFT; pte = pte_offset_map(pmd, address); - if (!pte_present(*pte)) - return 0; - if (pte_devmap(*pte)) - return PAGE_SHIFT; - return 0; + if (pte_present(*pte) && pte_devmap(*pte)) + ret = PAGE_SHIFT; + pte_unmap(pte); + return ret; } /* @@ -1126,7 +1126,7 @@ static int page_action(struct page_state *ps, struct page *p, */ static inline bool HWPoisonHandlable(struct page *page) { - return PageLRU(page) || __PageMovable(page); + return PageLRU(page) || __PageMovable(page) || is_free_buddy_page(page); } static int __get_hwpoison_page(struct page *page) |