diff options
| -rw-r--r-- | include/linux/res_counter.h | 8 | ||||
| -rw-r--r-- | mm/memcontrol.c | 14 |
2 files changed, 19 insertions, 3 deletions
diff --git a/include/linux/res_counter.h b/include/linux/res_counter.h index 629d0ea2d073..6d9e1fca098c 100644 --- a/include/linux/res_counter.h +++ b/include/linux/res_counter.h @@ -143,4 +143,12 @@ static inline void res_counter_reset_max(struct res_counter *cnt) spin_unlock_irqrestore(&cnt->lock, flags); } +static inline void res_counter_reset_failcnt(struct res_counter *cnt) +{ + unsigned long flags; + + spin_lock_irqsave(&cnt->lock, flags); + cnt->failcnt = 0; + spin_unlock_irqrestore(&cnt->lock, flags); +} #endif diff --git a/mm/memcontrol.c b/mm/memcontrol.c index dc3472f9f68c..f891876efee1 100644 --- a/mm/memcontrol.c +++ b/mm/memcontrol.c @@ -857,12 +857,19 @@ static ssize_t mem_cgroup_write(struct cgroup *cont, struct cftype *cft, mem_cgroup_write_strategy); } -static int mem_cgroup_max_reset(struct cgroup *cont, unsigned int event) +static int mem_cgroup_reset(struct cgroup *cont, unsigned int event) { struct mem_cgroup *mem; mem = mem_cgroup_from_cont(cont); - res_counter_reset_max(&mem->res); + switch (event) { + case RES_MAX_USAGE: + res_counter_reset_max(&mem->res); + break; + case RES_FAILCNT: + res_counter_reset_failcnt(&mem->res); + break; + } return 0; } @@ -916,7 +923,7 @@ static struct cftype mem_cgroup_files[] = { { .name = "max_usage_in_bytes", .private = RES_MAX_USAGE, - .trigger = mem_cgroup_max_reset, + .trigger = mem_cgroup_reset, .read_u64 = mem_cgroup_read, }, { @@ -928,6 +935,7 @@ static struct cftype mem_cgroup_files[] = { { .name = "failcnt", .private = RES_FAILCNT, + .trigger = mem_cgroup_reset, .read_u64 = mem_cgroup_read, }, { |