Fix the warning: [-Wunused-function] mm/mmap_lock.c:157:20: warning: ‘get_mm_memcg_path’ defined but not used static const char *get_mm_memcg_path(struct mm_struct *mm) ^~~~~~~~~~~~~~~~~ Signed-off-by: Bixuan Cui <cuibixuan@xxxxxxxxxx> --- mm/mmap_lock.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/mm/mmap_lock.c b/mm/mmap_lock.c index 03ee85c696ef..ec7899b08690 100644 --- a/mm/mmap_lock.c +++ b/mm/mmap_lock.c @@ -154,7 +154,7 @@ static inline void put_memcg_path_buf(void) * The caller must call put_memcg_path_buf() once the buffer is no longer * needed. This must be done while preemption is still disabled. */ -static const char *get_mm_memcg_path(struct mm_struct *mm) +static const char __maybe_unused *get_mm_memcg_path(struct mm_struct *mm) { char *buf = NULL; struct mem_cgroup *memcg = get_mem_cgroup_from_mm(mm); -- 2.17.1