memcg: code clean, remove unused variable in mem_cgroup_resize_limit()

Variable `progress' isn't used in mem_cgroup_resize_limit() any more.
Remove it.

[akpm@linux-foundation.org: cleanup]
Signed-off-by: Bob Liu <lliubbo@gmail.com>
Cc: Daisuke Nishimura <nishimura@mxp.nes.nec.co.jp>
Reviewed-by: Balbir Singh <balbir@linux.vnet.ibm.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>

diff --git a/mm/memcontrol.c b/mm/memcontrol.c
index 1aff6c3fcbd8df4d585542ce7cd81a822391ec96..878808c4fcbebc903a323d2f8cabe07dc77b9e30 100644 (file)
--- a/mm/memcontrol.c
+++ b/mm/memcontrol.c
@@ -2311,7 +2311,6 @@ static int mem_cgroup_resize_limit(struct mem_cgroup *memcg,
                                unsigned long long val)
 {
        int retry_count;
-       int progress;
        u64 memswlimit;
        int ret = 0;
        int children = mem_cgroup_count_children(memcg);
@@ -2355,8 +2354,7 @@ static int mem_cgroup_resize_limit(struct mem_cgroup *memcg,
                if (!ret)
                        break;
 
-               progress = mem_cgroup_hierarchical_reclaim(memcg, NULL,
-                                               GFP_KERNEL,
+               mem_cgroup_hierarchical_reclaim(memcg, NULL, GFP_KERNEL,
                                                MEM_CGROUP_RECLAIM_SHRINK);
                curusage = res_counter_read_u64(&memcg->res, RES_USAGE);
                /* Usage is reduced ? */