memcg: rename RESOURCE_MAX to RES_COUNTER_MAX

RESOURCE_MAX is far too general name, change it to RES_COUNTER_MAX.

Signed-off-by: Sha Zhengju <handai.szj@taobao.com>
Signed-off-by: Qiang Huang <h.huangqiang@huawei.com>
Acked-by: Michal Hocko <mhocko@suse.cz>
Cc: Daisuke Nishimura <nishimura@mxp.nes.nec.co.jp>
Cc: Jeff Liu <jeff.liu@oracle.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>

4 files changed, 12 insertions, 12 deletions

diff --git a/include/linux/res_counter.h b/include/linux/res_counter.h
index 586bc7cb1dcf..201a69749659 100644
--- a/include/linux/res_counter.h
+++ b/include/linux/res_counter.h
@@ -54,7 +54,7 @@ struct res_counter {
         struct res_counter *parent;
 };
 
-#define RESOURCE_MAX ULLONG_MAX
+#define RES_COUNTER_MAX ULLONG_MAX
 
 /**
  * Helpers to interact with userspace
diff --git a/kernel/res_counter.c b/kernel/res_counter.c
index ff55247e7049..3f0417f97e76 100644
--- a/kernel/res_counter.c
+++ b/kernel/res_counter.c
@@ -17,8 +17,8 @@
 void res_counter_init(struct res_counter *counter, struct res_counter *parent)
 {
         spin_lock_init(&counter->lock);
-        counter->limit = RESOURCE_MAX;
-        counter->soft_limit = RESOURCE_MAX;
+        counter->limit = RES_COUNTER_MAX;
+        counter->soft_limit = RES_COUNTER_MAX;
         counter->parent = parent;
 }
 
@@ -182,12 +182,12 @@ int res_counter_memparse_write_strategy(const char *buf,
 {
         char *end;
 
-        /* return RESOURCE_MAX(unlimited) if "-1" is specified */
+        /* return RES_COUNTER_MAX(unlimited) if "-1" is specified */
         if (*buf == '-') {
                 *res = simple_strtoull(buf + 1, &end, 10);
                 if (*res != 1 || *end != '\0')
                         return -EINVAL;
-                *res = RESOURCE_MAX;
+                *res = RES_COUNTER_MAX;
                 return 0;
         }
 
diff --git a/mm/memcontrol.c b/mm/memcontrol.c
index 4b5cfb509270..2c71f243186e 100644
--- a/mm/memcontrol.c
+++ b/mm/memcontrol.c
@@ -4967,7 +4967,7 @@ static int memcg_update_kmem_limit(struct cgroup_subsys_state *css, u64 val)
          */
         mutex_lock(&memcg_create_mutex);
         mutex_lock(&set_limit_mutex);
-        if (!memcg->kmem_account_flags && val != RESOURCE_MAX) {
+        if (!memcg->kmem_account_flags && val != RES_COUNTER_MAX) {
                 if (cgroup_task_count(css->cgroup) || memcg_has_children(memcg)) {
                         ret = -EBUSY;
                         goto out;
@@ -4977,7 +4977,7 @@ static int memcg_update_kmem_limit(struct cgroup_subsys_state *css, u64 val)
 
                 ret = memcg_update_cache_sizes(memcg);
                 if (ret) {
-                        res_counter_set_limit(&memcg->kmem, RESOURCE_MAX);
+                        res_counter_set_limit(&memcg->kmem, RES_COUNTER_MAX);
                         goto out;
                 }
                 static_key_slow_inc(&memcg_kmem_enabled_key);
diff --git a/net/ipv4/tcp_memcontrol.c b/net/ipv4/tcp_memcontrol.c
index 8a57d79b0b16..559d4ae6ebf4 100644
--- a/net/ipv4/tcp_memcontrol.c
+++ b/net/ipv4/tcp_memcontrol.c
@@ -87,8 +87,8 @@ static int tcp_update_limit(struct mem_cgroup *memcg, u64 val)
         if (!cg_proto)
                 return -EINVAL;
 
-        if (val > RESOURCE_MAX)
-                val = RESOURCE_MAX;
+        if (val > RES_COUNTER_MAX)
+                val = RES_COUNTER_MAX;
 
         tcp = tcp_from_cgproto(cg_proto);
 
@@ -101,9 +101,9 @@ static int tcp_update_limit(struct mem_cgroup *memcg, u64 val)
                 tcp->tcp_prot_mem[i] = min_t(long, val >> PAGE_SHIFT,
                                              net->ipv4.sysctl_tcp_mem[i]);
 
-        if (val == RESOURCE_MAX)
+        if (val == RES_COUNTER_MAX)
                 clear_bit(MEMCG_SOCK_ACTIVE, &cg_proto->flags);
-        else if (val != RESOURCE_MAX) {
+        else if (val != RES_COUNTER_MAX) {
                 /*
                  * The active bit needs to be written after the static_key
                  * update. This is what guarantees that the socket activation
@@ -187,7 +187,7 @@ static u64 tcp_cgroup_read(struct cgroup_subsys_state *css, struct cftype *cft)
 
         switch (cft->private) {
         case RES_LIMIT:
-                val = tcp_read_stat(memcg, RES_LIMIT, RESOURCE_MAX);
+                val = tcp_read_stat(memcg, RES_LIMIT, RES_COUNTER_MAX);
                 break;
         case RES_USAGE:
                 val = tcp_read_usage(memcg);