diff --git a/mm/memory-failure.c b/mm/memory-failure.c index 1f23baa98ee9b2..8be244f6c32027 100644 --- a/mm/memory-failure.c +++ b/mm/memory-failure.c @@ -2051,6 +2051,13 @@ int unpoison_memory(unsigned long pfn) mutex_lock(&mf_mutex); + if (is_huge_zero_page(page)) { + unpoison_pr_info("Unpoison: huge zero page is not supported %#lx\n", + pfn, &unpoison_rs); + ret = -EOPNOTSUPP; + goto unlock_mutex; + } + if (!PageHWPoison(p)) { unpoison_pr_info("Unpoison: Page was already unpoisoned %#lx\n", pfn, &unpoison_rs);