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>
diff --git a/net/ipv4/tcp_memcontrol.c b/net/ipv4/tcp_memcontrol.c
index 8a57d79..559d4ae 100644
--- a/net/ipv4/tcp_memcontrol.c
+++ b/net/ipv4/tcp_memcontrol.c
@@ -87,8 +87,8 @@
 	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 @@
 		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 @@
 
 	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);