diff options
-rw-r--r-- | kernel/srcu.c | 9 |
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 | */ |
194 | static int srcu_readers_active(struct srcu_struct *sp) | 194 | static 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 | /** |