diff options
| -rw-r--r-- | kernel/cgroup/rstat.c | 5 |
1 files changed, 2 insertions, 3 deletions
diff --git a/kernel/cgroup/rstat.c b/kernel/cgroup/rstat.c index 0b32fa62e93c..29ea74f0eab3 100644 --- a/kernel/cgroup/rstat.c +++ b/kernel/cgroup/rstat.c @@ -315,7 +315,7 @@ static void cgroup_base_stat_flush(struct cgroup *cgrp, int cpu) { struct cgroup_rstat_cpu *rstatc = cgroup_rstat_cpu(cgrp, cpu); struct cgroup *parent = cgroup_parent(cgrp); - struct cgroup_base_stat cur, delta; + struct cgroup_base_stat delta; unsigned seq; /* Root-level stats are sourced from system-wide CPU stats */ @@ -325,11 +325,10 @@ static void cgroup_base_stat_flush(struct cgroup *cgrp, int cpu) /* fetch the current per-cpu values */ do { seq = __u64_stats_fetch_begin(&rstatc->bsync); - cur = rstatc->bstat; + delta = rstatc->bstat; } while (__u64_stats_fetch_retry(&rstatc->bsync, seq)); /* propagate percpu delta to global */ - delta = cur; cgroup_base_stat_sub(&delta, &rstatc->last_bstat); cgroup_base_stat_add(&cgrp->bstat, &delta); cgroup_base_stat_add(&rstatc->last_bstat, &delta); |