mm/memcontrol.c: remove unused mem_cgroup_lru_names_not_uptodate()

Remove unused mem_cgroup_lru_names_not_uptodate() and move BUILD_BUG_ON()
to the beginning of memcg_stat_show().

This was partially found by using a static code analysis program called
cppcheck.

Signed-off-by: Rickard Strandqvist <rickard_strandqvist@spectrumdigital.se>
Cc: Johannes Weiner <hannes@cmpxchg.org>
Cc: Michal Hocko <mhocko@suse.cz>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>

1 files changed, 2 insertions, 5 deletions

diff --git a/mm/memcontrol.c b/mm/memcontrol.c
index 05e1584750ac..ef91e856c7e4 100644
--- a/mm/memcontrol.c
+++ b/mm/memcontrol.c
@@ -3692,11 +3692,6 @@ static int memcg_numa_stat_show(struct seq_file *m, void *v)
 }
 #endif /* CONFIG_NUMA */
 
-static inline void mem_cgroup_lru_names_not_uptodate(void)
-{
-        BUILD_BUG_ON(ARRAY_SIZE(mem_cgroup_lru_names) != NR_LRU_LISTS);
-}
-
 static int memcg_stat_show(struct seq_file *m, void *v)
 {
         struct mem_cgroup *memcg = mem_cgroup_from_css(seq_css(m));
@@ -3704,6 +3699,8 @@ static int memcg_stat_show(struct seq_file *m, void *v)
         struct mem_cgroup *mi;
         unsigned int i;
 
+        BUILD_BUG_ON(ARRAY_SIZE(mem_cgroup_lru_names) != NR_LRU_LISTS);
+
         for (i = 0; i < MEM_CGROUP_STAT_NSTATS; i++) {
                 if (i == MEM_CGROUP_STAT_SWAP && !do_swap_account)
                         continue;