diff --git a/include/linux/mem_reliable.h b/include/linux/mem_reliable.h
index ddadf28037429a37473bced527391530e7886921..79228a1b2f0b8f21641794133baf499bbd3dab08 100644
--- a/include/linux/mem_reliable.h
+++ b/include/linux/mem_reliable.h
@@ -135,6 +135,14 @@ static inline void reliable_page_counter(struct page *page,
 	if (page_reliable(page))
 		atomic_long_add(val, &mm->reliable_nr_page);
 }
+
+static inline void reliable_clear_page_counter(struct mm_struct *mm)
+{
+	if (!mem_reliable_is_enabled())
+		return;
+
+	atomic_long_set(&mm->reliable_nr_page, 0);
+}
 #else
 #define reliable_enabled 0
 #define pagecache_use_reliable_mem 0
@@ -178,6 +186,7 @@ static inline void reliable_page_counter(struct page *page,
 		struct mm_struct *mm, int val) {}
 static inline void reliable_report_usage(struct seq_file *m,
 		struct mm_struct *mm) {}
+static inline void reliable_clear_page_counter(struct mm_struct *mm) {}
 #endif
 
 #endif
diff --git a/kernel/fork.c b/kernel/fork.c
index f0aa2da990b827330b17f7d6752e6b82e17310a3..908c4e2e7896e821101b9048de46d337335eea5d 100644
--- a/kernel/fork.c
+++ b/kernel/fork.c
@@ -1049,6 +1049,7 @@ static struct mm_struct *mm_init(struct mm_struct *mm, struct task_struct *p,
 	atomic_set(&mm->has_pinned, 0);
 	atomic64_set(&mm->pinned_vm, 0);
 	memset(&mm->rss_stat, 0, sizeof(mm->rss_stat));
+	reliable_clear_page_counter(mm);
 	spin_lock_init(&mm->page_table_lock);
 	spin_lock_init(&mm->arg_lock);
 	mm_init_cpumask(mm);