Whilst I run the risk of a flogging for disloyalty to the Lord of Sealand, I do have CONFIG_MEMCG=y CONFIG_MEMCG_KMEM not set, and grow tired of the "mm/memcontrol.c:4972:12: warning: `memcg_propagate_kmem' defined but not used [-Wunused-function]" seen in 3.8-rc: move the #ifdef outwards. Signed-off-by: Hugh Dickins <hughd@xxxxxxxxxx> --- mm/memcontrol.c | 4 ++-- 1 file changed, 2 insertions(+), 2 deletions(-) --- 3.8-rc6/mm/memcontrol.c 2012-12-22 09:43:27.628015582 -0800 +++ linux/mm/memcontrol.c 2013-02-02 16:56:06.188325771 -0800 @@ -4969,6 +4969,7 @@ out: return ret; } +#ifdef CONFIG_MEMCG_KMEM static int memcg_propagate_kmem(struct mem_cgroup *memcg) { int ret = 0; @@ -4977,7 +4978,6 @@ static int memcg_propagate_kmem(struct m goto out; memcg->kmem_account_flags = parent->kmem_account_flags; -#ifdef CONFIG_MEMCG_KMEM /* * When that happen, we need to disable the static branch only on those * memcgs that enabled it. To achieve this, we would be forced to @@ -5003,10 +5003,10 @@ static int memcg_propagate_kmem(struct m mutex_lock(&set_limit_mutex); ret = memcg_update_cache_sizes(memcg); mutex_unlock(&set_limit_mutex); -#endif out: return ret; } +#endif /* CONFIG_MEMCG_KMEM */ /* * The user of this function is... -- 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>