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-rw-r--r--include/linux/res_counter.h8
-rw-r--r--mm/memcontrol.c14
2 files changed, 19 insertions, 3 deletions
diff --git a/include/linux/res_counter.h b/include/linux/res_counter.h
index 629d0ea2d07..6d9e1fca098 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 dc3472f9f68..f891876efee 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,
},
{