1 files changed, 32 insertions, 35 deletions

diff --git a/kernel/cgroup/rstat.c b/kernel/cgroup/rstat.c
index 6824047b57a9..7670191fa776 100644
--- a/kernel/cgroup/rstat.c
+++ b/kernel/cgroup/rstat.c
@@ -128,30 +128,30 @@ static struct cgroup *cgroup_rstat_cpu_pop_updated(struct cgroup *pos,
 	return pos;
 }
 
-static void cgroup_stat_accumulate(struct cgroup_stat *dst_stat,
-				   struct cgroup_stat *src_stat)
+static void cgroup_base_stat_accumulate(struct cgroup_base_stat *dst_bstat,
+					struct cgroup_base_stat *src_bstat)
 {
-	dst_stat->cputime.utime += src_stat->cputime.utime;
-	dst_stat->cputime.stime += src_stat->cputime.stime;
-	dst_stat->cputime.sum_exec_runtime += src_stat->cputime.sum_exec_runtime;
+	dst_bstat->cputime.utime += src_bstat->cputime.utime;
+	dst_bstat->cputime.stime += src_bstat->cputime.stime;
+	dst_bstat->cputime.sum_exec_runtime += src_bstat->cputime.sum_exec_runtime;
 }
 
-static void cgroup_cpu_stat_flush_one(struct cgroup *cgrp, int cpu)
+static void cgroup_base_stat_flush(struct cgroup *cgrp, int cpu)
 {
 	struct cgroup *parent = cgroup_parent(cgrp);
 	struct cgroup_rstat_cpu *rstatc = cgroup_rstat_cpu(cgrp, cpu);
-	struct task_cputime *last_cputime = &rstatc->last_cputime;
+	struct task_cputime *last_cputime = &rstatc->last_bstat.cputime;
 	struct task_cputime cputime;
-	struct cgroup_stat delta;
+	struct cgroup_base_stat delta;
 	unsigned seq;
 
 	lockdep_assert_held(&cgroup_rstat_mutex);
 
 	/* fetch the current per-cpu values */
 	do {
-		seq = __u64_stats_fetch_begin(&rstatc->sync);
-		cputime = rstatc->cputime;
-	} while (__u64_stats_fetch_retry(&rstatc->sync, seq));
+		seq = __u64_stats_fetch_begin(&rstatc->bsync);
+		cputime = rstatc->bstat.cputime;
+	} while (__u64_stats_fetch_retry(&rstatc->bsync, seq));
 
 	/* accumulate the deltas to propgate */
 	delta.cputime.utime = cputime.utime - last_cputime->utime;
@@ -161,13 +161,13 @@ static void cgroup_cpu_stat_flush_one(struct cgroup *cgrp, int cpu)
 	*last_cputime = cputime;
 
 	/* transfer the pending stat into delta */
-	cgroup_stat_accumulate(&delta, &cgrp->pending_stat);
-	memset(&cgrp->pending_stat, 0, sizeof(cgrp->pending_stat));
+	cgroup_base_stat_accumulate(&delta, &cgrp->pending_bstat);
+	memset(&cgrp->pending_bstat, 0, sizeof(cgrp->pending_bstat));
 
 	/* propagate delta into the global stat and the parent's pending */
-	cgroup_stat_accumulate(&cgrp->stat, &delta);
+	cgroup_base_stat_accumulate(&cgrp->bstat, &delta);
 	if (parent)
-		cgroup_stat_accumulate(&parent->pending_stat, &delta);
+		cgroup_base_stat_accumulate(&parent->pending_bstat, &delta);
 }
 
 /* see cgroup_rstat_flush() */
@@ -184,7 +184,7 @@ static void cgroup_rstat_flush_locked(struct cgroup *cgrp)
 
 		raw_spin_lock_irq(cpu_lock);
 		while ((pos = cgroup_rstat_cpu_pop_updated(pos, cgrp, cpu)))
-			cgroup_cpu_stat_flush_one(pos, cpu);
+			cgroup_base_stat_flush(pos, cpu);
 		raw_spin_unlock_irq(cpu_lock);
 	}
 }
@@ -208,19 +208,19 @@ void cgroup_rstat_flush(struct cgroup *cgrp)
 }
 
 static struct cgroup_rstat_cpu *
-cgroup_cpu_stat_account_begin(struct cgroup *cgrp)
+cgroup_base_stat_cputime_account_begin(struct cgroup *cgrp)
 {
 	struct cgroup_rstat_cpu *rstatc;
 
 	rstatc = get_cpu_ptr(cgrp->rstat_cpu);
-	u64_stats_update_begin(&rstatc->sync);
+	u64_stats_update_begin(&rstatc->bsync);
 	return rstatc;
 }
 
-static void cgroup_cpu_stat_account_end(struct cgroup *cgrp,
-					struct cgroup_rstat_cpu *rstatc)
+static void cgroup_base_stat_cputime_account_end(struct cgroup *cgrp,
+						 struct cgroup_rstat_cpu *rstatc)
 {
-	u64_stats_update_end(&rstatc->sync);
+	u64_stats_update_end(&rstatc->bsync);
 	cgroup_rstat_cpu_updated(cgrp, smp_processor_id());
 	put_cpu_ptr(rstatc);
 }
@@ -229,9 +229,9 @@ void __cgroup_account_cputime(struct cgroup *cgrp, u64 delta_exec)
 {
 	struct cgroup_rstat_cpu *rstatc;
 
-	rstatc = cgroup_cpu_stat_account_begin(cgrp);
-	rstatc->cputime.sum_exec_runtime += delta_exec;
-	cgroup_cpu_stat_account_end(cgrp, rstatc);
+	rstatc = cgroup_base_stat_cputime_account_begin(cgrp);
+	rstatc->bstat.cputime.sum_exec_runtime += delta_exec;
+	cgroup_base_stat_cputime_account_end(cgrp, rstatc);
 }
 
 void __cgroup_account_cputime_field(struct cgroup *cgrp,
@@ -239,26 +239,26 @@ void __cgroup_account_cputime_field(struct cgroup *cgrp,
 {
 	struct cgroup_rstat_cpu *rstatc;
 
-	rstatc = cgroup_cpu_stat_account_begin(cgrp);
+	rstatc = cgroup_base_stat_cputime_account_begin(cgrp);
 
 	switch (index) {
 	case CPUTIME_USER:
 	case CPUTIME_NICE:
-		rstatc->cputime.utime += delta_exec;
+		rstatc->bstat.cputime.utime += delta_exec;
 		break;
 	case CPUTIME_SYSTEM:
 	case CPUTIME_IRQ:
 	case CPUTIME_SOFTIRQ:
-		rstatc->cputime.stime += delta_exec;
+		rstatc->bstat.cputime.stime += delta_exec;
 		break;
 	default:
 		break;
 	}
 
-	cgroup_cpu_stat_account_end(cgrp, rstatc);
+	cgroup_base_stat_cputime_account_end(cgrp, rstatc);
 }
 
-void cgroup_stat_show_cputime(struct seq_file *seq)
+void cgroup_base_stat_cputime_show(struct seq_file *seq)
 {
 	struct cgroup *cgrp = seq_css(seq)->cgroup;
 	u64 usage, utime, stime;
@@ -270,9 +270,8 @@ void cgroup_stat_show_cputime(struct seq_file *seq)
 
 	cgroup_rstat_flush_locked(cgrp);
 
-	usage = cgrp->stat.cputime.sum_exec_runtime;
-	cputime_adjust(&cgrp->stat.cputime, &cgrp->stat.prev_cputime,
-		       &utime, &stime);
+	usage = cgrp->bstat.cputime.sum_exec_runtime;
+	cputime_adjust(&cgrp->bstat.cputime, &cgrp->prev_cputime, &utime, &stime);
 
 	mutex_unlock(&cgroup_rstat_mutex);
 
@@ -302,11 +301,9 @@ int cgroup_rstat_init(struct cgroup *cgrp)
 		struct cgroup_rstat_cpu *rstatc = cgroup_rstat_cpu(cgrp, cpu);
 
 		rstatc->updated_children = cgrp;
-		u64_stats_init(&rstatc->sync);
+		u64_stats_init(&rstatc->bsync);
 	}
 
-	prev_cputime_init(&cgrp->stat.prev_cputime);
-
 	return 0;
 }