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-rw-r--r--mm/hwpoison-inject.c4
-rw-r--r--mm/page_alloc.c1
2 files changed, 3 insertions, 2 deletions
diff --git a/mm/hwpoison-inject.c b/mm/hwpoison-inject.c
index aff4d27ec235..f74552977649 100644
--- a/mm/hwpoison-inject.c
+++ b/mm/hwpoison-inject.c
@@ -32,9 +32,9 @@ static int hwpoison_inject(void *data, u64 val)
shake_page(hpage);
/*
- * This implies unable to support non-LRU pages.
+ * This implies unable to support non-LRU pages except free page.
*/
- if (!PageLRU(hpage) && !PageHuge(p))
+ if (!PageLRU(hpage) && !PageHuge(p) && !is_free_buddy_page(p))
return 0;
/*
diff --git a/mm/page_alloc.c b/mm/page_alloc.c
index e36d7631a64c..a573aa9f5160 100644
--- a/mm/page_alloc.c
+++ b/mm/page_alloc.c
@@ -9417,6 +9417,7 @@ bool is_free_buddy_page(struct page *page)
return order < MAX_ORDER;
}
+EXPORT_SYMBOL(is_free_buddy_page);
#ifdef CONFIG_MEMORY_FAILURE
/*