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-rw-r--r--kernel/srcu.c9
1 files changed, 8 insertions, 1 deletions
diff --git a/kernel/srcu.c b/kernel/srcu.c
index e0139a274856..a43211c92863 100644
--- a/kernel/srcu.c
+++ b/kernel/srcu.c
@@ -193,7 +193,14 @@ static bool srcu_readers_active_idx_check(struct srcu_struct *sp, int idx)
193 */ 193 */
194static int srcu_readers_active(struct srcu_struct *sp) 194static int srcu_readers_active(struct srcu_struct *sp)
195{ 195{
196 return srcu_readers_active_idx(sp, 0) + srcu_readers_active_idx(sp, 1); 196 int cpu;
197 unsigned long sum = 0;
198
199 for_each_possible_cpu(cpu) {
200 sum += ACCESS_ONCE(per_cpu_ptr(sp->per_cpu_ref, cpu)->c[0]);
201 sum += ACCESS_ONCE(per_cpu_ptr(sp->per_cpu_ref, cpu)->c[1]);
202 }
203 return sum;
197} 204}
198 205
199/** 206/**