test_mem_cgroup_node_reclaimable() is only used when "MAX_NUMNODES > 1", so move it into related quote. The related warning (with allmodconfig under parisc): CC mm/memcontrol.o mm/memcontrol.c:1629:13: warning: 'test_mem_cgroup_node_reclaimable' defined but not used [-Wunused-function] static bool test_mem_cgroup_node_reclaimable(struct mem_cgroup *memcg, ^ Signed-off-by: Chen Gang <gang.chen.5i5j@xxxxxxxxx> --- mm/memcontrol.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/mm/memcontrol.c b/mm/memcontrol.c index c6ac50e..d538b08 100644 --- a/mm/memcontrol.c +++ b/mm/memcontrol.c @@ -1616,6 +1616,7 @@ static void mem_cgroup_out_of_memory(struct mem_cgroup *memcg, gfp_t gfp_mask, NULL, "Memory cgroup out of memory"); } +#if MAX_NUMNODES > 1 /** * test_mem_cgroup_node_reclaimable * @memcg: the target memcg @@ -1638,7 +1639,6 @@ static bool test_mem_cgroup_node_reclaimable(struct mem_cgroup *memcg, return false; } -#if MAX_NUMNODES > 1 /* * Always updating the nodemask is not very good - even if we have an empty -- 1.9.3 -- To unsubscribe, send a message with 'unsubscribe linux-mm' in the body to majordomo@xxxxxxxxx. For more info on Linux MM, see: http://www.linux-mm.org/ . Don't email: <a href=mailto:"dont@xxxxxxxxx"> email@xxxxxxxxx </a>