From cdf8337deae783094302cda86761421d134886b3 Mon Sep 17 00:00:00 2001
From: liqiang <liqiang64@huawei.com>
Date: Fri, 3 Jul 2020 16:44:13 +0800
Subject: [PATCH] Modify display information of read_unique

---
 prefetch_mod.c | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/prefetch_mod.c b/prefetch_mod.c
index ee83011..dc3866f 100644
--- a/prefetch_mod.c
+++ b/prefetch_mod.c
@@ -115,8 +115,8 @@ static ssize_t read_unique_show(struct device* dev,
     
     for_each_cpu(cpu, prefetch_cpumask_value) {
         int *ptr = per_cpu_ptr(cur, cpu);
-        count += scnprintf(buf + count, PAGE_SIZE, "cpu(%d): %s.\n",
-                    cpu, (ptr == NULL) ? "n/a" : *ptr);
+        count += scnprintf(buf + count, PAGE_SIZE, "cpu(%d): %d.\n",
+                    cpu, (ptr == NULL) ? -1 : *ptr);
     }
     mutex_unlock(&prefetch_mtx);
     free_percpu(cur);
-- 
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