diff --git a/mm/memory-failure.c b/mm/memory-failure.c index 473204359e1f..cf0d526e6d41 100644 --- a/mm/memory-failure.c +++ b/mm/memory-failure.c @@ -692,6 +692,8 @@ static int check_hwpoisoned_entry(pte_t pte, unsigned long addr, short shift, unsigned long poisoned_pfn, struct to_kill *tk) { unsigned long pfn = 0; + unsigned long hwpoison_vaddr; + unsigned long mask; if (pte_present(pte)) { pfn = pte_pfn(pte); @@ -702,10 +704,12 @@ static int check_hwpoisoned_entry(pte_t pte, unsigned long addr, short shift, pfn = softleaf_to_pfn(entry); } - if (!pfn || pfn != poisoned_pfn) + mask = ~((1UL << (shift - PAGE_SHIFT)) - 1); + if (!pfn || pfn != (poisoned_pfn & mask)) return 0; - set_to_kill(tk, addr, shift); + hwpoison_vaddr = addr + ((poisoned_pfn - pfn) << PAGE_SHIFT); + set_to_kill(tk, hwpoison_vaddr, shift); return 1; } @@ -2052,10 +2056,8 @@ retry: case MF_HUGETLB_FOLIO_PRE_POISONED: case MF_HUGETLB_PAGE_PRE_POISONED: rv = -EHWPOISON; - if (flags & MF_ACTION_REQUIRED) { - folio = page_folio(p); - rv = kill_accessing_process(current, folio_pfn(folio), flags); - } + if (flags & MF_ACTION_REQUIRED) + rv = kill_accessing_process(current, pfn, flags); if (res == MF_HUGETLB_PAGE_PRE_POISONED) action_result(pfn, MF_MSG_ALREADY_POISONED, MF_FAILED); else