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-rw-r--r--kernel/rcu/refperf.c6
1 files changed, 5 insertions, 1 deletions
diff --git a/kernel/rcu/refperf.c b/kernel/rcu/refperf.c
index 75b9cceaece1..fc940e3dba1f 100644
--- a/kernel/rcu/refperf.c
+++ b/kernel/rcu/refperf.c
@@ -301,9 +301,12 @@ u64 process_durations(int n)
int i;
struct reader_task *rt;
char buf1[64];
- char buf[512];
+ char *buf;
u64 sum = 0;
+ buf = kmalloc(128 + nreaders * 32, GFP_KERNEL);
+ if (!buf)
+ return 0;
buf[0] = 0;
sprintf(buf, "Experiment #%d (Format: <THREAD-NUM>:<Total loop time in ns>)",
exp_idx);
@@ -322,6 +325,7 @@ u64 process_durations(int n)
PERFOUT("%s\n", buf);
+ kfree(buf);
return sum;
}