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Diffstat (limited to 'kernel/res_counter.c')
-rw-r--r--kernel/res_counter.c4
1 files changed, 4 insertions, 0 deletions
diff --git a/kernel/res_counter.c b/kernel/res_counter.c
index 70587657dda3..d3c61b4ebef2 100644
--- a/kernel/res_counter.c
+++ b/kernel/res_counter.c
@@ -28,6 +28,8 @@ int res_counter_charge_locked(struct res_counter *counter, unsigned long val)
}
counter->usage += val;
+ if (counter->usage > counter->max_usage)
+ counter->max_usage = counter->usage;
return 0;
}
@@ -66,6 +68,8 @@ res_counter_member(struct res_counter *counter, int member)
switch (member) {
case RES_USAGE:
return &counter->usage;
+ case RES_MAX_USAGE:
+ return &counter->max_usage;
case RES_LIMIT:
return &counter->limit;
case RES_FAILCNT: