memcg: mark more functions/variables as static

Based on sparse output.

Signed-off-by: Kirill A. Shutemov <kirill@shutemov.name>
Acked-by: KAMEZAWA Hiroyuki <kamezawa.hiroyu@jp.fujitsu.com>
Acked-by: Michal Hocko <mhocko@suse.cz>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>

diff --git a/mm/memcontrol.c b/mm/memcontrol.c
index 9e565e392127ae2188a88a4395162e8fad650d48..55f4f64fa2c3819c70aac9c5986cf7a693f2c94a 100644 (file)
--- a/mm/memcontrol.c
+++ b/mm/memcontrol.c
@@ -59,7 +59,7 @@
 
 struct cgroup_subsys mem_cgroup_subsys __read_mostly;
 #define MEM_CGROUP_RECLAIM_RETRIES     5
-struct mem_cgroup *root_mem_cgroup __read_mostly;
+static struct mem_cgroup *root_mem_cgroup __read_mostly;
 
 #ifdef CONFIG_CGROUP_MEM_RES_CTLR_SWAP
 /* Turned on only when memory cgroup is enabled && really_do_swap_account = 1 */
@@ -1627,7 +1627,7 @@ int mem_cgroup_select_victim_node(struct mem_cgroup *memcg)
  * unused nodes. But scan_nodes is lazily updated and may not cotain
  * enough new information. We need to do double check.
  */
-bool mem_cgroup_reclaimable(struct mem_cgroup *memcg, bool noswap)
+static bool mem_cgroup_reclaimable(struct mem_cgroup *memcg, bool noswap)
 {
        int nid;
 
@@ -1662,7 +1662,7 @@ int mem_cgroup_select_victim_node(struct mem_cgroup *memcg)
        return 0;
 }
 
-bool mem_cgroup_reclaimable(struct mem_cgroup *memcg, bool noswap)
+static bool mem_cgroup_reclaimable(struct mem_cgroup *memcg, bool noswap)
 {
        return test_mem_cgroup_node_reclaimable(memcg, 0, noswap);
 }
@@ -1836,7 +1836,8 @@ static void memcg_oom_recover(struct mem_cgroup *memcg)
 /*
  * try to call OOM killer. returns false if we should exit memory-reclaim loop.
  */
-bool mem_cgroup_handle_oom(struct mem_cgroup *memcg, gfp_t mask, int order)
+static bool mem_cgroup_handle_oom(struct mem_cgroup *memcg, gfp_t mask,
+                                 int order)
 {
        struct oom_wait_info owait;
        bool locked, need_to_kill;
@@ -3949,7 +3950,7 @@ try_to_free:
        goto move_account;
 }
 
-int mem_cgroup_force_empty_write(struct cgroup *cont, unsigned int event)
+static int mem_cgroup_force_empty_write(struct cgroup *cont, unsigned int event)
 {
        return mem_cgroup_force_empty(mem_cgroup_from_cont(cont), true);
 }
@@ -4240,7 +4241,7 @@ struct mcs_total_stat {
        s64 stat[NR_MCS_STAT];
 };
 
-struct {
+static struct {
        char *local_name;
        char *total_name;
 } memcg_stat_strings[NR_MCS_STAT] = {