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-rw-r--r--mm/gup.c3
1 files changed, 2 insertions, 1 deletions
diff --git a/mm/gup.c b/mm/gup.c
index bb4ad57d20e3..43b7d875de37 100644
--- a/mm/gup.c
+++ b/mm/gup.c
@@ -1796,7 +1796,8 @@ static inline pte_t gup_get_pte(pte_t *ptep)
}
#endif /* CONFIG_GUP_GET_PTE_LOW_HIGH */
-static void undo_dev_pagemap(int *nr, int nr_start, struct page **pages)
+static void __maybe_unused undo_dev_pagemap(int *nr, int nr_start,
+ struct page **pages)
{
while ((*nr) - nr_start) {
struct page *page = pages[--(*nr)];